aback is a valid English word

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

Meanings

Adverb (NOT COMPARABLE)

(archaic) Towards the back or rear; backwards. (First attested prior to 1150.)
(archaic) In the rear; a distance behind. (First attested prior to 1150.)
By surprise; startled; dumbfounded. (see usage)

Noun (COUNTABLE)

(obsolete EME) An inscribed stone square.

aback is a Scrabble valid word

aback

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

aback is an iScramble, QuickWords valid word

aback

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

Same letters words (Anagrams)

• BAACK

Same letters plus one

• ABACKS
• BAACKS
• BACKAL
• BACKRA
• BARACK

Same letters minus one

• AABC
• AACB
• ABAC
• ABCA
• ACAB
• BACA
• BACK
• BAKA
• BCAA
• CABA