Akademik

in-fighting
noun
1. conflict between members of the same organization (usually concealed from outsiders) (Freq. 1)
Hypernyms: ↑fight, ↑fighting, ↑combat, ↑scrap
2. boxing at close quarters
Hypernyms: ↑boxing, ↑pugilism, ↑fisticuffs

Useful english dictionary. 2012.