Is SUB a valid Scrabble word?

Yes, SUB is a valid word in US Scrabble and UK Scrabble, worth 5 points.

Base score before bonus squares; blank tiles score zero.

What does SUB mean?

verb
be a substitute
“The young teacher had to substitute for the sick colleague”
noun
a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
noun
a submersible warship usually armed with torpedoes

Definitions from WordNet 3.1, Princeton University.

Points

Scrabble: 5
Words With Friends: 7
Letters: 3

S (1) + U (1) + B (3) = 5 points in Scrabble.

Dictionary status

Scrabble (US & Canada)Valid
Scrabble (UK & worldwide)Valid
Words With FriendsListed

Scrabble lists: NWL2023 (US & Canada) and CSW24 (UK & worldwide). WWF uses our ENABLE reference plus verified additions. “Listed” and “Not listed” describe that reference; check acceptance in the game. Sources reviewed 2026-10-03.

Hooks for SUB

Single letters that turn SUB into another valid word in US Scrabble. Hooks let you extend a word already on the board.

Front hooks0

None. Nothing can be added to the front.

Back hooks2

Anagrams of SUB

Words that use exactly the same letters.

Words you can make from SUB

The 2 highest-scoring words using these letters.

Study SUB and related words

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