killer

As nouns the difference between killer and hitman

is that killer is that which kills while hitman is a contract killer; especially one paid by mafia.

As an adjective killer

is excellent, very good.

As nouns the difference between taxonomy and killer

is that taxonomy is the science or the technique used to make a classification while killer is an ink eradicator or killer can be a paid killer, a contract killer.

As nouns the difference between killer and assasin

is that killer is an ink eradicator or killer can be a paid killer, a contract killer while assasin is assassin.

As nouns the difference between killer and murder

is that killer is that which kills while murder is an act of deliberate killing of another being, especially a human.

As an adjective killer

is excellent, very good.

As a verb murder is

to deliberately kill (a person or persons).

As nouns the difference between killer and manqueller

is that killer is an ink eradicator or killer can be a paid killer, a contract killer while manqueller is (obsolete) a killer of men; a manslayer; executioner.

As nouns the difference between killer and canicide

is that killer is an ink eradicator or killer can be a paid killer, a contract killer while canicide is (rare) the killing of a dog.

Winterkill is a related term of killer.

As nouns the difference between killer and winterkill

is that killer is that which kills while winterkill is the mortality resulting from lethal wintry conditions among a human, animal, and/or vegetal population.

As an adjective killer

is excellent, very good.

As a verb winterkill is

to kill by the conditions of winter, especially the effect of the cold, freezing.