英和和英

to be related to

be relevant to

to have a relation with someone or something

the state of being connected

with relevance

The relation is complicated.

the state of being associated with something

something of that sort

to concern oneself with something

With that relationship

mutually related

be in a relationship with

connection

to be concerned

a close connection

a person who is involved and/or has a relation to something

each component in a mutual relationship

in a relative manner

a cooperative relationship

having a relation or being related

close in relationship

meretricious relationships

related department

the person concerned

the continuity of a relevant thing

to be in a certain relationship

a state in which a relationship exists between two or more things

on a friendly footing

mutual relation―reciprocal relation―interrelation―reciprocity

the state of a series of things becoming connected or related