Comradeship is a related term of friendliness.
As nouns the difference between comradeship and friendliness
is that comradeship is the company, friendship or fellow purpose of others while friendliness is the quality of being friendly.
friendliness
English
Noun
(-)
The quality of being friendly.
Synonyms
* affability
* bonhomie
* geniality
* pleasantness
Antonyms
* hostility
Coordinate terms
* See also
* kindness
* good-heartedness
* good-naturedness