link, bond · friendship · liaison (romantic encounter)
çekim: çoğul liaisons
köken: Inherited from Old French, from Late Latin ligātiōnem, derived from Latin ligō (“bind”), or formed from lier + -aison based on the Latin word. Compare also Old Occitan liazó, liazon.
relationship (personal) · relation, connection · relationship (between two things)
çekim: çoğul σχέσεις · tamlayan σχέσης
köken: Learned borrowing from Ancient Greek σχέσις (skhésis), from the aorist stem σχε- (skhe-) of ἔχω (ékhō, “to have, hold”) + -σις (-sis). The modern sense of "relation" is a semantic loan from French relation.