subtopic is a valid English word

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

Meanings

Noun (COUNTABLE)

A subject that forms part of a topic.
• The meeting dragged on interminably as topics were divided into subtopics which were divided in to sub-sub-topics, ad infinitum.

subtopic is a Scrabble valid word

subtopic

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

subtopic is an iScramble, QuickWords valid word

subtopic

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

Same letters words (Anagrams)

• SUBOPTIC

Same letters plus one

• POSTPUBIC
• SUBPHOTIC
• SUBTOPICS
• SUBTROPIC

Same letters minus one

• COUPIST