Dictionary

combinatoire

/kɔ̃.bi.na.twaʁ/

adjective/kɔ̃.bi.na.twaʁ/

combinatory

From combiner + -atoire.

noun, feminine/kɔ̃.bi.na.twaʁ/plural: combinatoires

combinatoire is feminine in French.

combinatorics

From combiner + -atoire.