cardiac is a valid English word

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

Meanings

Adjective (NOT COMPARABLE)

(biology medicine) Pertaining to the heart.
• the cardiac arteries
(biology medicine) Pertaining to the cardia; cardial (cardial is the usual adjective in this sense).
(medicine archaic) Exciting action in the heart, through the medium of the stomach; cordial; stimulant.

Noun (COUNTABLE)

A person with heart disease.
(dated) Heart disease.
(medicine) A medicine that excites action in the stomach.

cardiac is a Scrabble valid word

cardiac

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

cardiac is an iScramble, QuickWords valid word

cardiac

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

Same letters words (Anagrams)

• ACCARDI
• ARCADIC

Same letters plus one

• ACARDIAC
• ACCARDIS
• CARDIACK
• CARDIACS
• CHARACID

Same letters minus one

• ACARID
• CARDIA
• CARIAD
• CICADA
• CRACID