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Words That Start With IO

  • 116 words
  • All English dictionaries
  • Scrabble points
Dictionary

Popular Words That Start With IO

The most familiar words on this list, with their Scrabble scores.

All Words That Start With IO 116 words

6-Letter Words Starting With IO 15

Full 6-letter list

7-Letter Words Starting With IO 23

Full 7-letter list

8-Letter Words Starting With IO 20

Full 8-letter list

9-Letter Words Starting With IO 17

Full 9-letter list

10-Letter Words Starting With IO 13

Full 10-letter list

11-Letter Words Starting With IO 9

Full 11-letter list

17-Letter Words Starting With IO 1

How common is IO at the start of words?

Our combined English word list has 116 words that start with IO. Most are 7 letters long, they average 11.8 points, the best is IONTOPHORETICALLY (27 points) and 41.4% end in S.

Total words
116
Most common length
7 letters
23 words
Average Scrabble score
11.8
out of 27 max
Longest word
IONTOPHORETICALLY
17 letters
Most common ending
S
41.4% of words

Words by length

Most common last letters

  • s 41.4%
  • e 15.5%
  • n 8.6%

Top vowel pairs

  • io100%
  • ie2.6%
  • au1.7%

Share of words where these two vowels sit side by side.

Rare words worth knowing

Valid in this dictionary but rarely seen in everyday English.

Highest-scoring word that starts with IO

i 1o 1n 1t 1o 1p 3h 4o 1r 1e 1t 1i 1c 3a 1l 1l 1y 4

I 1 + O 1 + N 1 + T 1 + O 1 + P 3 + H 4 + O 1 + R 1 + E 1 + T 1 + I 1 + C 3 + A 1 + L 1 + L 1 + Y 4 = 27 points

Double word
54 pts
Triple word
81 pts

Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).

iontophoretically

No dictionary definition on file. This is a valid game word that standard dictionaries rarely cover.

  • Scrabble US
  • Scrabble UK
  • Words With Friends

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Words starting with IO by length

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Trending word lists

Five-letter lists built from the letters of yesterday's Wordle answer. The set changes every day.

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Words That Start With IO by the numbers

Words That Start With IO FAQ

How many words that start with IO are there?

There are 116 words that start with IO in our combined English word list. The most common length is 7 letters, with 23 words. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.

What is the highest-scoring word that starts with IO?

IONTOPHORETICALLY is worth 27 points in Scrabble before any bonus squares. Other strong options are IONOSPHERICALLY (25), IODOMETRICALLY (22), IODIZATIONS (21).

What are some common words that start with IO?

Everyday examples include ION, IODINE, IOTA, IOTAS, IONOSPHERE, IONS, IONIZER, IONIZERS. Sort the list by "Most common" to see the familiar words first.

What is the longest word that starts with IO?

IONTOPHORETICALLY has 17 letters. If you prefer a word people actually use, IODINE (6 letters) is the longest common one.