(mathematics) quartile

crest (often of a family)

the mon, an old currency / a unit of length for measuring the size of one's foot (from the way that the mon coins would be lined up and used as a kind of inch marker) / a character, a letter

part, section, segment, portion

feeling, mood

writing, essay, composition

classification method, classification system

(mathematics, chemistry) analysis

literature

taxonomy (science of finding, describing, classifying and naming organisms)