extension is a valid English word

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

Meanings

Noun (COUNTABLE AND UNCOUNTABLE)

The act of extending; a stretching out; enlargement in length, breadth, or time; an increase
• Next month the house is undergoing an extension.
The state of being extended
That property of a body by which it occupies a portion of space (or time, e.g. "spatiotemporal extension")

extension is a Scrabble valid word

e1x8t1e1n1s1i1o1n1

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

extension is an iScramble, QuickWords valid word

e1x2t3e4n5s6i7o8n9

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

Same letters words (Anagrams)

• none

Same letters plus one

• ANSOXETINE
• EXTENSIONS
• INTEREXONS
• NISOXETINE
• NIXONETTES
• NONEXISTED

Same letters minus one

• EXTENSIN
• NONEXIST
• XENOTINE