| endostomă substantiv feminin | nearticulat | articulat | |
| nominativ-acuzativ | singular | endostomă | endostoma |
| plural | endostome | endostomele | |
| genitiv-dativ | singular | endostome | endostomei |
| plural | endostome | endostomelor | |
| vocativ | singular | endostomă, endostomo | |
| plural | endostomelor | ||