usability is a valid English word

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

Meanings

Noun (COUNTABLE AND UNCOUNTABLE)

The state or condition of being usable.
The degree to which an object, device, software application, etc. is easy to use with no specific training.

usability is a Scrabble valid word

usability

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

usability is an iScramble, QuickWords valid word

usability

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

Same letters words (Anagrams)

• SUABILITY

Same letters plus one

• SUBABILITY
• SUEABILITY
• USEABILITY

Same letters minus one

• SUITABLY