heartless is a valid English word

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

Meanings

Adjective (COMPARABLE)

(obsolete) Without courage; fearful, cowardly. (10th–19th c.)
(now rare) Listless, unenthusiastic. (from 14th c.)
Without a physical heart. (from 15th c.)

heartless is a Scrabble valid word

h4e1a1r1t1l1e1s1s1

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

heartless is an iScramble, QuickWords valid word

h1e2a3r4t5l6e7s8s9

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

Same letters words (Anagrams)

• EARTHLESS
• HARTLESSE
• LATHERSES
• SHEARLETS

Same letters plus one

• ANTHERLESS
• BREATHLESS
• FATHERLESS
• HALTERLESS
• HARTLESSES
• HATREDLESS
• HEARTHLESS
• HEATERLESS
• LATHERLESS
• PHRASELETS
• STARWHEELS
• THREADLESS
• THREATLESS
• TREHALASES
• TREHALOSES
• WREATHLESS

Same letters minus one

• HALSTERS
• HALTERES
• HARSLETS
• HARTLESS
• HATELESS
• HEATLESS
• LASETERS
• LASSETER
• LEATHERS
• RATELESS
• RESLATES
• SHARLETS
• SHASTREE
• SHEAREST
• SHEARLET
• SHELTERS
• SHETLERS
• SLATHERS
• STAHLERS
• STEALERS
• STREHLES
• TAHSEELS
• TARHEELS
• TEARLESS
• TELESSAR
• TESSELAR
• TESSERAL