different between aromaticity vs heteroarene

English

aromatic +? -ity < aroma

aromaticity (countable and uncountable, plural aromaticities)

The property of having an aroma.
(organic chemistry) The property of being aromatic, i.e. having at least one conjugated ring.

hetero- +? arene

heteroarene (plural heteroarenes)

(chemistry) any heterocyclic compound formally derived from an arene by replacement of one or more methine and/or vinylene groups by trivalent or divalent heteroatoms respectively in such a way as to retain its aromaticity

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