(an instance, period, of) the feeling or relationship that exists between friends
companionship
Cases of word usage
1) an unkind refusal (of an offer of or request for help, friendship etc) (rebuff)
2) connection; a connection by family or marriage; an important friendship or love affair (relationship)
3) a story or novel of love or adventure; a strong friendship of people in love (romance)
4) that wins; attracting confidence and friendship (winning)