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13 Letter Words Starting With I

There are 1503 valid 13 letter words that start with I, drawn from NWL2023, CSW24, and Words With Friends. Sorted below by score, with the single highest scorer called out.

Highest Scoring 13-Letter Words

US Scrabble (NWL)

ichthyization - 33 points

UK Scrabble (CSW)

ichthyization - 33 points

Words With Friends

ichneumonized - 34 points

13 Letter Words (1503)

View all words starting with I

Top 20 Highest-Scoring 13 Letter Words Starting With i

Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 1503 word list is 75.8 combined points.

Rank Word US Scrabble UK Scrabble WWF Points Total
#1 iambographers 23 23 26 72
#2 iatrochemical 22 22 25 69
#3 iatrochemists 20 20 21 61
#4 iatrogenicity 19 19 21 59
#5 iatrophysical 23 23 24 70
#6 iatrotechnics 20 20 22 62
#7 ichneumonidae 21 21 25 67
#8 ichneumonidan 21 21 26 68
#9 ichneumonides 21 21 25 67
#10 ichneumonized 30 30 34 94
#11 ichnographies 24 24 26 74
🏆 #12 ichthyization 33 33 32 98
#13 ichthyocollas 26 26 27 79
#14 ichthyofaunae 27 27 27 81
#15 ichthyofaunal 27 27 28 82
#16 ichthyofaunas 27 27 27 81
#17 ichthyography 33 33 31 97
#18 ichthyologies 25 25 25 75
#19 ichthyologist 25 25 25 75
#20 ichthyomantic 28 28 29 85

Where 13 Letter Words Fit on the Board

At 13 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 I will give you far more flexible options try 13 letter words starting with I for a more practical middle ground.

Frequently Asked Questions

What is the highest-scoring 13 letter word starting with i?

ichthyization — worth 98 combined points (US Scrabble: 33, UK Scrabble: 33, Words With Friends: 32).

How many 13 letter words start with i?

1503 valid words, combining entries from NWL2023, CSW24, and the Words With Friends dictionary.

Are 13 letter words realistic to actually play?

Only occasionally — you'd need most of your rack plus letters already on the board to reach 13 tiles. They're worth knowing for the rare bingo-extension play, but for regular turns, shorter i words will come up far more often.