9-Letter Words Starting With ISO
- 78 words
- All English dictionaries
- Scrabble points
Popular 9-Letter Words Starting With ISO
The most familiar words on this list, with their Scrabble scores.
All 9-Letter Words Starting With ISO 78 words
How common is ISO at the start of nine-letter words?
Our combined English word list has 78 nine-letter words that start with ISO. They average 13.2 points, the best is ISOENZYME (23 points) and 47.4% end in S.
- Total words
- 78
- Average Scrabble score
- 13.2
- out of 23 max
- Everyday words
- 3%
- common in ordinary English
- Most common ending
- S
- 47.4% of words
Most common last letters
- s 47.4%
- c 19.2%
- e 12.8%
Top vowel pairs
- ou9%
- ie6.4%
- ei2.6%
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 nine-letter word that starts with ISO
i 1s 1o 1e 1n 1z 10y 4m 3e 1
I 1 + S 1 + O 1 + E 1 + N 1 + Z 10 + Y 4 + M 3 + E 1 = 23 points
- Double word
- 46 pts
- Triple word
- 69 pts
Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).
isoenzyme
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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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 ISO
9-Letter Words Starting With ISO by the numbers
9-Letter Words Starting With ISO FAQ
How many nine-letter words that start with ISO are there?
There are 78 nine-letter words that start with ISO 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 nine-letter word that starts with ISO?
ISOENZYME is worth 23 points in Scrabble before any bonus squares. Other strong options are ISOMERIZE (20), ISONIAZID (19), ISOCYCLIC (18).
What are some common nine-letter words that start with ISO?
Everyday examples include ISOLATION, ISOLATING, ISOSCELES, ISOMETRIC, ISOTROPIC. Sort the list by "Most common" to see the familiar words first.
Which rare nine-letter words that start with ISO score well?
Uncommon but valid choices include ISOENZYME (23), ISOMERIZE (20), ISOCYCLIC (18), ISOHYDRIC (18). Few players know them, so they can catch an opponent off guard.