spontaneous is a valid English word

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

Meanings

Adjective (COMPARABLE)

Self-generated; happening without any apparent external cause.
• Synonym: autonomous
Done by one's own free choice, or without planning.
• Synonym: autonomous
Proceeding from natural feeling or native tendency without external or conscious constraint.
• Synonym: autonomous

spontaneous is a Scrabble valid word

spontaneous

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

spontaneous is an iScramble, QuickWords valid word

spontaneous

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

Same letters words (Anagrams)

• none

Same letters plus one

• none

Same letters minus one

• ESPANTOONS
• SPONTANOUS