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13 Letter Words Starting With X

There are 40 valid 13 letter words that start with X, 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)

xanthocyanopy - 33 points

UK Scrabble (CSW)

xanthocyanopy - 33 points

Words With Friends

xanthophyllic - 35 points

13 Letter Words (40)

View all words starting with X

Top 20 Highest-Scoring 13 Letter Words Starting With x

Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 40 word list is 86.2 combined points.

Rank Word US Scrabble UK Scrabble WWF Points Total
#1 xanthocarpous 27 27 30 84
#2 xanthochroias 28 28 28 84
#3 xanthochroids 29 29 29 87
#4 xanthochroism 30 30 31 91
#5 xanthochromia 30 30 31 91
#6 xanthochromic 32 32 34 98
#7 xanthochroous 28 28 29 85
#8 xanthocyanopy 33 33 34 100
#9 xanthodontous 24 24 26 74
#10 xanthogenamic 28 28 32 88
#11 xanthomatosis 25 25 26 76
#12 xanthomelanoi 25 25 28 78
#13 xanthomyeloma 30 30 32 92
#14 xanthophyceae 33 33 33 99
🏆 #15 xanthophyllic 33 33 35 101
#16 xanthopicrite 27 27 29 83
#17 xanthoproteic 27 27 29 83
#18 xanthoprotein 25 25 27 77
#19 xanthopterine 25 25 27 77
#20 xanthopterins 25 25 27 77

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

Frequently Asked Questions

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

xanthophyllic — worth 101 combined points (US Scrabble: 33, UK Scrabble: 33, Words With Friends: 35).

How many 13 letter words start with x?

40 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 x words will come up far more often.