mastless is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

Without a mast.
• a mastless ship
Bearing no mast (fruit of a tree).
• a mastless oak or beech

mastless is a Scrabble valid word

m3a1s1t1l1e1s1s1

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

mastless is not an iScramble, QuickWords valid word

m1a2s3t4l5e6s7s8

• 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

• SMARTLESS
• STAMPLESS
• STEAMLESS

Same letters minus one

• MASSEST
• MASTELS
• MATLESS
• SALTSES
• SAMLETS
• SAMSELS
• TASSELS
• TASSLES