13 Letter Words Starting With J

There are 70 valid 13 letter words that start with J, 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)

jackhammering - 34 points

UK Scrabble (CSW)

jackhammering - 34 points

Words With Friends

jackhammering - 40 points

Top 20 Highest-Scoring 13 Letter Words Starting With j

Point values shown for US Scrabble, UK Scrabble, and Words With Friends. The average across this full 70 word list is 90.6 combined points.

Rank Word US Scrabble UK Scrabble WWF Points Total
#1 jabberwockian 33 33 39 105
#2 jabberwockies 33 33 38 104
#3 jacamaralcyon 29 29 35 93
🏆 #4 jackhammering 34 34 40 108
#5 jacklightings 31 31 37 99
#6 jacobinically 29 29 36 94
#7 jacobitically 29 29 35 93
#8 jaloallofanes 23 23 29 75
#9 jansenistical 22 22 28 72
#10 japonaiseries 22 22 26 70
#11 jargonisation 21 21 26 68
#12 jargonization 30 30 35 95
#13 jatrorrhizine 32 32 34 98
#14 jawbreakingly 33 33 38 104
#15 jealousnesses 20 20 25 65
#16 jeewhillijers 33 33 38 104
#17 jeewhillikens 30 30 34 94
#18 jeffersonians 26 26 30 82
#19 jejunectomies 31 31 39 101
#20 jejunoileitis 27 27 34 88

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

Frequently Asked Questions

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

jackhammering — worth 108 combined points (US Scrabble: 34, UK Scrabble: 34, Words With Friends: 40).

How many 13 letter words start with j?

70 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 j words will come up far more often.