Word: heartnuts
Part of speech: Noun
Syllables: heart
nuts
Definition: Plural of heartnut;  is a species of walnut native to Japan and Sakhalin
Morphemes:
Affix: heart
Language: en
PoS: Verb
Meaning: To form a dense cluster of leaves, a heart, especially of lettuce or cabbage.
Affix: nut
Language: en
PoS: Noun
Meaning: A hard-shelled seed.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form plurals of foreign words, to clarify pronunciation, such as “banana’s” or “pasta’s”.