Censorship, the control of speech and other forms of human expression

Censor (ancient Rome), a magistrate for maintaining the census, supervising public morality, etc.

Sensor, a device or organ that detects or senses a signal or its environment

Censure, a formal reprimand

Censoring (statistics), the situation when the value of an observation is only partially known

Censer, a small metal or stone dish used for burning incense

Censor (single), a single released by the band Skinny Puppy for the song "Dogshit" in 1988