optimist is a valid English word

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

Meanings

Noun (COUNTABLE)

(nautical) A small centre-board sailing dinghy designed to train and introduce young children into sailing.
• Synonym: Oppy

optimist is a Scrabble valid word

o1p3t1i1m3i1s1t1

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

optimist is an iScramble, QuickWords valid word

o1p2t3i4m5i6s7t8

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

Same letters words (Anagrams)

• none

Same letters plus one

• EPITOMIST
• OPTIMISTS
• POPTIMIST

Same letters minus one

• MITOTIS
• TITOISM