countless is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

Too many to count; innumerable.
• There are countless stars in the sky.
Of a number: too large to be counted to.

countless is a Scrabble valid word

countless

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

countless is an iScramble, QuickWords valid word

countless

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

Same letters words (Anagrams)

• none

Same letters plus one

• CONSULATES
• CONSULTEES
• CONSULTERS
• CONSULTEST
• COUNSELEST
• COUNTESSLY
• OCCULTNESS
• RECONSULTS

Same letters minus one

• CLONUSES
• COLTNESS
• CONSULTS
• CONTUSES
• COSTULES
• COUNSELS
• COUNTESS
• CUNTLESS
• LECOUNTS
• NOCTULES
• SCOUTENS
• SULTONES
• UNCLOSES
• USELTONS