uncastable is a valid English word

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

Meanings

Adjective (COMPARABLE)

That cannot be cast (filled with, or allocated, a theatrical role).
(computing programming) That cannot be cast (converted to other data types).
(medicine) That cannot be set in a cast.

uncastable is not a Scrabble valid word

u1n1c3a1s1t1a1b3l1e1

• International English (Sowpods) - The word is not valid in Scrabble ✘
• US English (TWL06) - The word is not valid in Scrabble ✘
• 14 points

uncastable is not an iScramble, QuickWords valid word

u1n2c3a4s5t6a7b8l9e10

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 55 points

Same letters words (Anagrams)

• none

Same letters plus one

• OUTBALANCES
• SUBCUTANEAL
• SUBPLACENTA
• UNSTACKABLE

Same letters minus one

• ANTECUBAL
• BALANCEST
• BALAUNCES
• BASCULATE
• CANULATES
• CASTELNAU
• SUBLANATE
• UNACTABLE
• UNSATABLE