speedful is a valid English word

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

Meanings

Adjective (COMPARABLE)

(archaic) Successful; prosperous.
(archaic) Effectual; efficient.
(nonstandard) Full of speed; hasty; fast.

speedful is a Scrabble valid word

s1p3e1e1d2f4u1l1

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is not valid in Scrabble ✘
• 14 points

speedful is not an iScramble, QuickWords valid word

s1p2e3e4d5f6u7l8

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 36 points

Same letters words (Anagrams)

• none

Same letters plus one

• none

Same letters minus one

• DEFUELS
• DEPULSE
• SEEDFUL