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13 Letter Words Starting With AD

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

adenemphraxis - 28 points

UK Scrabble (CSW)

adenemphraxis - 28 points

Words With Friends

adenemphraxis - 30 points

13 Letter Words (78)

View all words starting with AD

Top 20 Highest-Scoring 13 Letter Words Starting With ad

Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 78 word list is 62.8 combined points.

Rank Word US Scrabble UK Scrabble WWF Points Total
#1 adamantoblast 18 18 22 58
#2 adaptableness 18 18 22 58
#3 adaptationism 18 18 21 57
#4 adaptationist 16 16 18 50
#5 adaptednesses 17 17 19 53
#6 addictiveness 20 20 23 63
#7 additamentary 20 20 21 61
#8 additionality 18 18 19 55
#9 addleheadedly 23 23 23 69
#10 addressograph 21 21 22 64
#11 adelomorphous 21 21 24 66
🏆 #12 adenemphraxis 28 28 30 86
#13 adenocancroid 19 19 23 61
#14 adenofibrosis 19 19 21 59
#15 adenoidectomy 22 22 24 68
#16 adenolymphoma 26 26 29 81
#17 adenometritis 16 16 18 50
#18 adenophlegmon 22 22 27 71
#19 adenophyllous 22 22 25 69
#20 adenosarcomas 18 18 21 57

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

Frequently Asked Questions

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

adenemphraxis — worth 86 combined points (US Scrabble: 28, UK Scrabble: 28, Words With Friends: 30).

How many 13 letter words start with ad?

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 ad words will come up far more often.