12-Letter Words Starting With ISO
- 32 words
- All English dictionaries
- Scrabble points
Popular 12-Letter Words Starting With ISO
The most familiar words on this list, with their Scrabble scores.
All 12-Letter Words Starting With ISO 32 words
How common is ISO at the start of twelve-letter words?
Our combined English word list has 32 twelve-letter words that start with ISO. They average 18.1 points, the best is ISOENZYMATIC (28 points) and 34.4% end in S.
- Total words
- 32
- Average Scrabble score
- 18.1
- out of 28 max
- Everyday words
- 0%
- common in ordinary English
- Most common ending
- S
- 34.4% of words
Most common last letters
- s 34.4%
- c 15.6%
- y 15.6%
Top vowel pairs
- ia12.5%
- io6.3%
- ei3.1%
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 twelve-letter word that starts with ISO
i 1s 1o 1e 1n 1z 10y 4m 3a 1t 1i 1c 3
I 1 + S 1 + O 1 + E 1 + N 1 + Z 10 + Y 4 + M 3 + A 1 + T 1 + I 1 + C 3 = 28 points
- Double word
- 56 pts
- Triple word
- 84 pts
Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).
isoenzymatic
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
12-Letter Words Starting With ISO by the numbers
12-Letter Words Starting With ISO FAQ
How many twelve-letter words that start with ISO are there?
There are 32 twelve-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 twelve-letter word that starts with ISO?
ISOENZYMATIC is worth 28 points in Scrabble before any bonus squares. Other strong options are ISOCHRONIZED (27), ISOCHRONIZES (26), ISODIMORPHIC (22).
Which rare twelve-letter words that start with ISO score well?
Uncommon but valid choices include ISOENZYMATIC (28), ISOCHRONIZED (27), ISOCHRONIZES (26), ISODIMORPHIC (22). Few players know them, so they can catch an opponent off guard.