-cide-cide /saɪd/ suffix [in nouns] 
another form of the suffix -icide: 
genocide (=killing a whole race of people)—-cidal [in adjectives]—-cidally [in adverbs]
another form of the suffix -icide: genocide (=killing a whole race of people)—-cidal [in adjectives]—-cidally [in adverbs]- superhero
- superhighway
- superhuman
- superimpose
- superimposition
- superinjunction
- superintend
- superintendence
- superintendent
- superior
- superiority
- Superior, Lake
- superlative
- superlatively
- supermall
- Superman
- superman
- supermarket
- supermodel
- supermom
- supernatural
- supernaturally
- supernova
- superpower
- super power