speedup is a valid English word

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

Meanings

Noun (COUNTABLE AND UNCOUNTABLE)

An amount or rate of decrease in time taken to do a certain amount of work.
(chiefly computing) The relationship between time taken and number of processors used.
(labor politics) An employer's demand for more output without more pay.

speedup is a Scrabble valid word

speedup

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

speedup is an iScramble, QuickWords valid word

speedup

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

Same letters words (Anagrams)

• none

Same letters plus one

• SPEEDUPS
• SUPPERED
• UPSPEWED

Same letters minus one

• DUPEES
• SUDEEP
• SUPPED