crux is a valid English word

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

Meanings

Noun (COUNTABLE)

The basic, central, or essential point or feature.
• Synonym: core, gist, Thesaurus:gist
The critical or transitional moment or issue, a turning point.
A puzzle or difficulty.

crux is a Scrabble valid word

crux

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

crux is an iScramble, QuickWords valid word

crux

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

Same letters words (Anagrams)

• none

Same letters plus one

• ACRUX
• CRUXY
• EXCUR

Same letters minus one

• CRU
• CUR
• CXR
• RUC
• RUX
• UCX