Word: coalmines
Part of speech: Noun
Syllables: coal
mines
Definition: Plural of coalmine;  a coal mine is called a 'pit', and the above-ground structures are a 'pit head'
Morphemes:
Affix: coal
Language: en
PoS: Noun
Meaning: A piece of coal used for burning
Affix: mine
Language: en
PoS: Noun
Meaning: An excavation from which ore or solid minerals are taken, especially one consisting of underground tunnels.
Etymology Compounds: Affix: mine
Language: fro
Decoded: mine
PoS: Noun
Meaning: An excavation from which ore or solid minerals are taken, especially one consisting of underground tunnels.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).