| biocid adjectiv | masculin | feminin | |||
| nearticulat | articulat | nearticulat | articulat | ||
| nominativ-acuzativ | singular | biocid | biocidul | biocidă | biocida |
| plural | biocizi | biocizii | biocide | biocidele | |
| genitiv-dativ | singular | biocid | biocidului | biocide | biocidei |
| plural | biocizi | biocizilor | biocide | biocidelor | |
| vocativ | singular | — | — | ||
| plural | — | — | |||