sinkproof is a valid English word

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

Meanings

Adjective (COMPARABLE)

Resistant to sinking.
• a sinkproof boat

sinkproof is not a Scrabble valid word

sinkproof

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

sinkproof is not an iScramble, QuickWords valid word

sinkproof

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

Same letters words (Anagrams)

• none

Same letters plus one

• none

Same letters minus one

• INKPROOF
• SKORPION