backup is a valid English word

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

Meanings

Noun (COUNTABLE)

A reserve or substitute.
• If the goalkeeper is injured, we have a backup.
(computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.
• After the power failure, we had to restore the database from backup.
An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.
• The accident caused a mile-long backup on the highway.

Adjective (NOT COMPARABLE)

Standby, reserve or extra.
• I am only a backup player.
(computing) That is intended as a backup.
Supporting, reinforcing; (music) of or related to accompaniment

Verb

(computing nonstandard) Alternative form of back up.

backup is a Scrabble valid word

backup

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

backup is an iScramble, QuickWords valid word

backup

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

Same letters words (Anagrams)

• UPBACK

Same letters plus one

• BACKUPS
• PUTBACK
• SUBPACK
• UPBACKS

Same letters minus one

• BACUP
• BUCAK
• PUCKA