Word: heatwaves
Part of speech: Noun
Syllables: heat
waves
Definition: Plural of heatwave;  is a period of excessively hot weather, which may be accompanied by high humidity, especially in oceanic climate countries
Morphemes:
Affix: heat
Language: en
PoS: Noun
Meaning: A hot spell; a spell of hot weather
Affix: wave
Language: en
PoS: Verb
Meaning: To produce waves to the hair.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form regular plurals of nouns.