係

(establish) friendly (cordial) relations (with, between); (form) friendship (e.g. with a nation)

the relation of master to servant; homage

Computing

master-slave relationship

love affair; love relationship

close connection; deep involvement; close relationship

interests; stake

direct relation

hostile relations; hostile relationship

blood relationship; blood relations; being genetically related

male-female relationships; relations between the sexes; sexual relations

relationship; connection; involvement; entanglement; implication (e.g. in a crime)

relations with women

parent-child relationship

all facts (of a case, incident, etc.)

sexual relations; physical relations; carnal relations

connection; linking; linkage; link; liaison; contact; coordination

personal relations

official in charge; person in charge

marital relationship; marital relations

background (of a case, incident, etc.)

marital relationship

record keeper; recorder; archivist

information desk personnel; guide; usher

to be mixed up with; to have a connection with (a troublesome matter)

to be a stickler about; to be finicky about (some triviality)

to take part (in some work); to hang about; to bother (someone)

improvement of relations; rapprochement