initialism is a valid English word

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

Meanings

Noun (COUNTABLE)

(linguistics) A term formed from the initial letters of several words or parts of words, which is itself pronounced letter by letter.
• BBC is an initialism for British Broadcasting Corporation.
(linguistics) The process of forming words or terms using initial letters of other words.

initialism is a Scrabble valid word

initialism

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

initialism is an iScramble, QuickWords valid word

initialism

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• INITIALISMS
• MILITICIANS

Same letters minus one

• LAMINITIS