Prolonged from a primary kar (Latin cor, "heart"); the heart, i.e. (figuratively) the thoughts or feelings (mind); also (by analogy) the middle -- (+ broken-)heart(-ed).

καρδίᾳ (kardia) − 54 Occurrences

καρδίαι (kardiai) − 2 Occurrences

καρδίαις (kardiais) − 21 Occurrences

καρδίαν (kardian) − 18 Occurrences

καρδίας (kardias) − 57 Occurrences

καρδιῶν (kardiōn) − 4 Occurrences