immutable is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

Unable to be changed without exception.
• Synonym: unchangeable
(programming of a variable) Not able to be altered in the memory after its value is set initially.
• Constants are immutable.

Noun (COUNTABLE)

Something that cannot be changed.

immutable is a Scrabble valid word

immutable

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

immutable is an iScramble, QuickWords valid word

immutable

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

Same letters words (Anagrams)

• MULTIBEAM

Same letters plus one

• IMMUTABLES
• METALBUMIN

Same letters minus one

• MALEMIUT
• UMBALITE