userbase is a valid English word

Scrabble validity: invalid ( international - Sowpods, US - Twl06 )
iScramble validity: invalid
QuickWords validity: invalid

Meanings

Noun (COUNTABLE)

(computing) The established group of users for a particular computer program, technology, etc.
• A corporate takeover of this project is likely to alienate the userbase.

userbase is not a Scrabble valid word

u1s1e1r1b3a1s1e1

• International English (Sowpods) - The word is not valid in Scrabble ✘
• US English (TWL06) - The word is not valid in Scrabble ✘
• 10 points

userbase is not an iScramble, QuickWords valid word

u1s2e3r4b5a6s7e8

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 36 points

Same letters words (Anagrams)

• REABUSES

Same letters plus one

• AEROBUSES
• REUSABLES
• SUBERATES
• SUBLEASER
• SUPERBASE
• USERBASES

Same letters minus one

• ABUSEES
• ABUSERS
• BEARESS
• REABUSE
• REBASES
• REBUSES
• RUBASSE
• SABREES
• SAUBERS
• SEASURE
• SURBASE
• UREASES