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13 Letter Words Starting With MY

There are 78 valid 13 letter words that start with MY, 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)

mycotoxicoses - 29 points

UK Scrabble (CSW)

mycotoxicoses - 29 points

Words With Friends

mycobacterium - 31 points

13 Letter Words (78)

View all words starting with MY

Top 20 Highest-Scoring 13 Letter Words Starting With my

Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 78 word list is 78.2 combined points.

Rank Word US Scrabble UK Scrabble WWF Points Total
#1 mycetogenesis 21 21 24 66
#2 mycetogenetic 23 23 27 73
#3 mycetological 23 23 28 74
#4 mycetophagous 26 26 29 81
#5 mycobacterial 24 24 28 76
#6 mycobacterium 26 26 31 83
#7 mycodermatoid 24 24 26 74
#8 mycodermatous 23 23 26 72
#9 mycogastritis 21 21 23 65
#10 mycologically 26 26 31 83
#11 mycoplasmoses 24 24 28 76
#12 mycoplasmosis 24 24 28 76
#13 mycosymbiosis 27 27 29 83
🏆 #14 mycotoxicoses 29 29 31 89
#15 mycotoxicosis 29 29 31 89
#16 myelencephala 25 25 29 79
#17 myelinization 27 27 30 84
#18 myelobrachium 27 27 31 85
#19 myelocythemia 28 28 29 85
#20 myelofibroses 23 23 25 71

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

Frequently Asked Questions

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

mycotoxicoses — worth 89 combined points (US Scrabble: 29, UK Scrabble: 29, Words With Friends: 31).

How many 13 letter words start with my?

78 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 my words will come up far more often.