toponymy is a valid English word

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

Meanings

Noun (COUNTABLE AND UNCOUNTABLE)

(semantics) Lexicological study of place names; a branch of onomastics.
• Synonym: toponomastics
(anatomy) The nomenclature of anatomical regions.

toponymy is a Scrabble valid word

t1o1p3o1n1y4m3y4

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

toponymy is an iScramble, QuickWords valid word

t1o2p3o4n5y6m7y8

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

Same letters words (Anagrams)

• MONOTYPY

Same letters plus one

• PHYTONOMY
• TROPONYMY

Same letters minus one

• MYOTOPY
• TOPONYM
• TYPONYM