10-Letter Words Starting With IO
- 13 words
- All English dictionaries
- Scrabble points
Popular 10-Letter Words Starting With IO
The most familiar words on this list, with their Scrabble scores.
All 10-Letter Words Starting With IO 13 words
How common is IO at the start of ten-letter words?
Our combined English word list has 13 ten-letter words that start with IO. They average 13.6 points, the best is IODIZATION (20 points) and 38.5% end in N.
- Total words
- 13
- Average Scrabble score
- 13.6
- out of 20 max
- Everyday words
- 0%
- common in ordinary English
- Most common ending
- N
- 38.5% of words
Most common last letters
- n 38.5%
- s 30.8%
- c 15.4%
Top vowel pairs
- io100%
- au7.7%
- ie7.7%
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 ten-letter word that starts with IO
i 1o 1d 2i 1z 10a 1t 1i 1o 1n 1
I 1 + O 1 + D 2 + I 1 + Z 10 + A 1 + T 1 + I 1 + O 1 + N 1 = 20 points
- Double word
- 40 pts
- Triple word
- 60 pts
Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).
iodization
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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Trending word lists
Five-letter lists built from the letters of yesterday's Wordle answer. The set changes every day.
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How to use this word list
Playing words that start with IO
10-Letter Words Starting With IO by the numbers
10-Letter Words Starting With IO FAQ
How many ten-letter words that start with IO are there?
There are 13 ten-letter words that start with IO in our combined English word list. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.
What is the highest-scoring ten-letter word that starts with IO?
IODIZATION is worth 20 points in Scrabble before any bonus squares. Other strong options are IONIZATION (19), IONOSPHERE (15), IODOMETRIC (15).
Which rare ten-letter words that start with IO score well?
Uncommon but valid choices include IODIZATION (20), IONIZATION (19), IODOMETRIC (15), IONOPHORES (15). Few players know them, so they can catch an opponent off guard.