fer·rous 
(fĕrəs)
(fĕrəs)adj.
Relating to or containing iron, especially with valence 2 or a valence lower than in a corresponding ferric compound.
- chlordiazepoxide
- chlorella
- chlorenchyma
- chloric
- chloric acid
- chloride
- chloride of lime
- chloridic
- chlorinate
- chlorinated lime
- chlorination
- chlorinator
- chlorine
- chlorinity
- chlorite
- chlorite
- chloritic
- chloro-
- chlorobenzene
- chlorocarbon
- chlorofluorocarbon
- chloroform
- chlorohydrin
- chlorophyll
- chlorophyllous