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9 Letter Words Starting With IS

There are 181 valid 9 letter words that start with IS, drawn from NWL2023, CSW24, and Words With Friends. Sorted below by score, with the single highest scorer called out.

Highest Scoring 9-Letter Words

US Scrabble (NWL)

isauxetic - 18 points

UK Scrabble (CSW)

isauxetic - 18 points

Words With Friends

isauxetic - 20 points

9 Letter Words (181)

View all words starting with IS

Top 20 Highest-Scoring 9 Letter Words Starting With is

Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 181 word list is 43.2 combined points.

Rank Word US Scrabble UK Scrabble WWF Points Total
#1 isabelina 11 11 14 36
#2 isabelita 11 11 13 35
#3 isabelite 11 11 13 35
#4 isabellas 11 11 14 36
#5 isagogics 13 13 16 42
#6 isallobar 11 11 14 36
#7 isandrous 10 10 12 32
#8 isanemone 11 11 14 36
#9 isanthous 12 12 13 37
#10 isarithms 14 14 14 42
#11 isauxesis 16 16 17 49
🏆 #12 isauxetic 18 18 20 56
#13 ischaemia 16 16 17 49
#14 ischaemic 18 18 20 56
#15 ischemias 16 16 17 49
#16 ischiadic 17 17 18 52
#17 ischiatic 16 16 17 49
#18 ischurias 14 14 15 43
#19 ischyodus 18 18 18 54
#20 iseikonia 13 13 14 40

Where 9 Letter Words Fit on the Board

At 9 letters, a word almost always uses your entire rack plus tiles already on the board these are realistically bingo-adjacent plays rather than everyday moves, which is why the list leans heavily on compound and suffixed forms (-nesses, -ation, -izing). If you're looking for words you can play more often, shorter lengths starting with IS will give you far more flexible options try 9 letter words starting with IS for a more practical middle ground.

Frequently Asked Questions

What is the highest-scoring 9 letter word starting with is?

isauxetic — worth 56 combined points (US Scrabble: 18, UK Scrabble: 18, Words With Friends: 20).

How many 9 letter words start with is?

181 valid words, combining entries from NWL2023, CSW24, and the Words With Friends dictionary.

Are 9 letter words realistic to actually play?

Only occasionally — you'd need most of your rack plus letters already on the board to reach 9 tiles. They're worth knowing for the rare bingo-extension play, but for regular turns, shorter is words will come up far more often.