Liaison

rakkaussuhde

(an illicit sexual relationship or affair)

salasuhde

(an illicit sexual relationship or affair)

sidonta

(linguistics: a sandhi)

treffit

(a tryst, romantic meeting)

yhteistyö

(co-operation, working together)

yhteydenpito

(communication between two parties or groups)

yhteys

(communication between two parties or groups)

yhteyshenkilö

(a relayer of information between two forces in an army or during war)