prototheme is a valid English word

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

Meanings

Noun (COUNTABLE)

(onomastics) The first element of a name composed of two traditional name roots.
• The Old Norse given names Þorsteinn and Þorgeirr both contain the prototheme Þor- ("Thor-").

prototheme is not a Scrabble valid word

p3r1o1t1o1t1h4e1m3e1

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

prototheme is not an iScramble, QuickWords valid word

p1r2o3t4o5t6h7e8m9e10

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

Same letters words (Anagrams)

• PHOTOMETER

Same letters plus one

• PHOTOMETEOR
• PHOTOMETERS
• PROTOTHEMES
• TROPHOMETER

Same letters minus one

• OPTOMETER
• POTOMETER
• PROMOTETH
• PROTOHEME