Word: heartburning
Part of speech: Noun
Syllables: heart
burn
ing
Definition: discontent; secret enmity
Morphemes:
Affix: heart
Language: en
PoS: Noun
Meaning: Personality, disposition.
Affix: burn
Language: en
PoS: Verb
Meaning: To betray.
Affix: -ing
Language: en
PoS: Suffix
Meaning: Used to form uncountable nouns from verbs denoting the act of doing something, an action.