The Latin masculine noun tumulus (a rounded hill, a burial mound or grave) has the genitive singular tumuli and genitive plural tumulorum.
The Latin masculine noun collis (a hill) has a singular genitive collis and a plural genitive collium.
Is (genitive: eius).
"Growing" in Latin is crescens (genitive crescentis).
Draco (genitive: draconis).
Saltans (genitive: saltantis).
Corpus (genitive: corporis).
Amans (genitive: amantis).
genitive case
Servorum.
The Romans borrowed the Greek word for griffin. It appeared in Latin in as gryps (genitive gryphis) and as gryphus (genitive gryphi), both masculine.
It's 'celer' genitive: celeris.
The Latin word for "interpreter" is interpres (genitive interpretis).