英和和英

With that relationship

on a friendly footing

connection

to be related to

to have a relation with someone or something

the state of being connected

to concern oneself with something

a close connection

something of that sort

close in relationship

the state of being associated with something

to sever relations―break off relations―sever connections―cut the connection―（between the two）

to establish a relation to anything―establish a connection with anything

mutual relation―reciprocal relation―interrelation―reciprocity

of relations, to be broken off

Deepen a relationship

meretricious relationships

of the relation between two {matters} or people, being slight

place into a mutual relationship

have a breach in relations

to sever relations―sever connections

friendly relations―comradeship

the state of a relationship being intimate

the condition of having a close relationship with a person

on a fair footing

a relationship

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

I cut the whole concern.

to relate a number of things to each other

a close relationship