Words Starting With IO

117 words start with IO. Scores range up to 25 points (IONOSPHERICALLY), averaging 11.7 points with standard English tile values. Every entry below shows its point value, US and UK dictionary validity, and a definition where available.

117
Total Words
13
Unique Endings
11.7
Avg. Points
25
Max Points
2Letters
2Points
1
I
1
O
US INVALID
UK VALID
Definition

A moon of Jupiter with active volcanoes.

6Letters
7Points
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Definition

A salt or ester of iodic acid.

7Letters
9Points
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US VALID
UK VALID
Definition

Past tense of IODATE.

7Letters
8Points
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Definition

Plural of IODATE.

8Letters
10Points
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US VALID
UK VALID
Definition

Present participle of IODATE.

8Letters
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Definition

The act or process of treating with iodine.

9Letters
10Points
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Definition

Plural of IODATION.

5Letters
8Points
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US VALID
UK VALID
Definition

Relating to iodine, especially in its pentavalent state.

5Letters
7Points
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US VALID
UK VALID
Definition

Archaic form of iodide.

6Letters
8Points
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US VALID
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Definition

A compound of iodine with another element or radical.

7Letters
9Points
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Definition

Plural of IODIDE.

6Letters
8Points
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Definition

Plural of IODID.

5Letters
6Points
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Definition

A halogen element used in medicine and photography.

8Letters
9Points
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Definition

To treat or combine with iodine.

9Letters
11Points
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Definition

Past tense of IODINATE.

9Letters
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Definition

Third-person singular present tense of IODINATE.

10Letters
12Points
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Definition

Present participle of IODINATE.

10Letters
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Definition

The addition or substitution of iodine in a compound.

11Letters
12Points
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Definition

Plural of IODINATION.

6Letters
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Definition

A chemical element with atomic number 53, a halogen.

7Letters
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Definition

Plural of IODINE.

6Letters
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Definition

Plural of IODIN.

10Letters
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US INVALID
UK VALID
Definition

The process of treating with iodine.

11Letters
12Points
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Definition

Plural of IODISATION.

6Letters
7Points
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Definition

Treat with iodine.

7Letters
9Points
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2
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US VALID
UK VALID
Definition

Past tense of IODISE.

7Letters
8Points
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US INVALID
UK VALID
Definition

Agent noun of IODISE.

8Letters
9Points
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US INVALID
UK VALID
Definition

Plural of IODISER.

7Letters
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Definition

Third-person singular present tense of IODISE.

8Letters
10Points
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Definition

Present participle of IODISE.

6Letters
9Points
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Definition

Poisoning caused by iodine.

7Letters
10Points
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Definition

Plural of IODISM.

10Letters
20Points
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US VALID
UK VALID
Definition

The act or process of iodizing.

11Letters
21Points
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Definition

Plural of IODIZATION.

6Letters
16Points
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Definition

Treat or react with iodine.

7Letters
18Points
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US VALID
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Definition

Past tense of IODIZE.

7Letters
17Points
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US VALID
UK VALID
Definition

Agent noun of IODIZE.

8Letters
18Points
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US VALID
UK VALID
Definition

Plural of IODIZER.

7Letters
17Points
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US VALID
UK VALID
Definition

Third-person singular present tense of IODIZE.

8Letters
19Points
1
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US VALID
UK VALID
Definition

Present participle of IODIZE.

8Letters
14Points
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US VALID
UK VALID
Definition

A yellow crystalline compound used as an antiseptic.

9Letters
15Points
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Definition

Plural of IODOFORM.

10Letters
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US INVALID
UK VALID
Definition

Relating to or using iodometry.

12Letters
17Points
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US INVALID
UK VALID
Definition

Relating to iodometry, the titration method using iodine.

14Letters
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US INVALID
UK VALID
Definition

By means of iodine titration.

11Letters
14Points
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Definition

Plural of IODOMETRY.

9Letters
15Points
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US VALID
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Definition

A technique using iodine to indicate a redox titration endpoint.

9Letters
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UK VALID
Definition

A cell that readily takes up iodine stain.

8Letters
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Definition

A complex that releases iodine slowly in solution.

9Letters
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Definition

Plural of IODOPHOR.

8Letters
11Points
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Definition

A light-sensitive pigment in cone cells for color vision.

9Letters
12Points
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Definition

Plural of IODOPSIN.

6Letters
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Definition

Relating to iodine, especially iodous acid.

7Letters
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US INVALID
UK VALID
Definition

An obsolete term for iodide.

8Letters
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US INVALID
UK VALID
Definition

Plural of IODURET.

8Letters
12Points
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US INVALID
UK VALID
Definition

A natural mineral form of silver iodide.

9Letters
13Points
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4
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1
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US INVALID
UK VALID
Definition

Plural of IODYRITE.

6Letters
6Points
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UK VALID
Definition

A clear variety of cordierite used as a gemstone.

7Letters
7Points
1
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1
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1
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US VALID
UK VALID
Definition

Plural of IOLITE.

3Letters
3Points
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US VALID
UK VALID
Definition

An atom or molecule with an electric charge due to loss or gain of electrons.

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4-Letter Words Starting With IO

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5-Letter Words Starting With IO

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6-Letter Words Starting With IO

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7-Letter Words Starting With IO

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Common Questions

Quick answers about words in this list.

?

How many words starting with io are there?

There are 117 words starting with io.

?

What is the highest-scoring word start with IO?

IONOSPHERICALLY scores 25 points, the highest in this list using standard English tile values.