Synonyms of conjugation

1 Syllable
tieup, tiein
2 Syllables
miters, junction, union, plug-in, plugins, fusion, junctions
3 Syllables
concursion, mortise, unity
4 Syllables
fecundation, pollination, collocation, interface, fecundations
5 Syllables
unification, insemination, amalgamation