To speak about friendship, you should know the proper vocabulary. Here is the vocabulary connected with it. Part 2
Esteem - respect for or a good opinion of someone
Familiarity - friendly and informal behaviour
Favor - a kind action that you do for someone
Fondness - happiness and love
Friendliness - making friends
Fusion - an occasion when two or more things join or are combined
League - a group of teams playing a sport who take part in competitions between each other
Partiality - the fact of unfairly preferring or approving of something
Regard - to look carefully at something or someone
Sociability - the quality of liking to meet and spend time with other people
His excessive familiarity offended her.
She called to ask me a favour.
George's fondness for fishing was well known.