たぶん => Maybe... N4
Speculation
たぶん => perhaps; probably N4
~ぶんには => If it's just within range...then N1
Scope
~ぶんには(~分には) => as long as ~ N1
~このぶんでは => as affairs stand; judging from the present situation; as things are now N1
Trend
~ぶん (だけ) => in proportion to; just as much as N1
Related, corresponding
ぶり => style; manner; way​ N1
なんてことない => Nothing serious, significant N3
Evaluate
ぶりに => for the first time in (period of time) N3
ぶる => Acts like A, pretends as if A N1
Adjectival, Descriptions
ぶる => assuming the air of; behaving like; to pretend / act like ~ N1
なんということもない => Nothing worth mentioning N3
Emphasize