topscoring is a valid English word

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

Meanings

Verb

present participle and gerund of topscore

Adjective

Highest-scoring.

topscoring is not a Scrabble valid word

t1o1p3s1c3o1r1i1n1g2

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

topscoring is not an iScramble, QuickWords valid word

t1o2p3s4c5o6r7i8n9g10

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

Same letters words (Anagrams)

• PROGNOSTIC

Same letters plus one

• POSTSCORING
• PROGNOSTICK
• PROGNOSTICS
• PYROGNOSTIC
• ROTOSCOPING

Same letters minus one

• OPTRONICS
• PROTONICS
• PROTOSIGN
• SCROOPING
• TROOPINGS