mainframe is a valid English word

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

Meanings

Noun (COUNTABLE)

(computer hardware) A large, powerful computer able to manage very many simultaneous tasks and communicate with very many connected terminals; used by large, complex organizations (such as banks and supermarkets) where continuously sustained operation is vital.
• Synonym: maxicomputer, maxi
(computer hardware) A computer chassis that hosts and interconnects modules that perform various tasks.

mainframe is a Scrabble valid word

m3a1i1n1f4r1a1m3e1

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

mainframe is an iScramble, QuickWords valid word

m1a2i3n4f5r6a7m8e9

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

Same letters words (Anagrams)

• none

Same letters plus one

• MAINFRAMED
• MAINFRAMER
• MAINFRAMES

Same letters minus one

• none