A second declension nominative singular noun — like serv___ or amic___ — usually ends with this.
us
Identify the declension then change case keeping the same number:
cibus
2nd declension
cibum
Patrem voces vexant
The voices annoy the father
meus
my
Anyone who looked directly into Medusa’s eyes suffered this terrifying fate
turning to stone
When you have several second declension objects, this accusative plural ending is required.
-os
Identify the declension then change case keeping the same number:
lanam
1st declension
lana
Voces in horto audit.
He hears voices in the garden
princeps
emperor
Perseus used this special tool from Athena to safely decapitate Medusa without being turned to stone
reflective shield/mirror shield
To show that several first declension subjects are doing the action, use this plural nominative ending.
ae
Identify the declension then change case keeping the same number:
pueros
2nd declension
pueri
Patres in via conspiciunt
They catch sight of the fathers in the road
redire
to return
Medusa was punished by this goddess after being found in her temple with Poseidon.
Athena
Unlike the first two declensions, third declension nouns can end in many ways in the nominative singular — but this accusative singular ending always stays the same.
em
Identify the declension then change case keeping the same number:
fragorem
3rd declension
fragor
Patres solliciti clamores audiunt
The fathers hear the anxious shouts
venit
comes
Unlike her sisters, Medusa alone had this vulnerability.
mortality / she could be killed
3rd declension nominative plural or accusative plural
Identify the declension then change case keeping the same number:
patres
3rd declension
patres
Magnas voces patres audiunt
The fathers hear the many voices
Eheu
Alas! Oh no!
Medusa is one of three sisters collectively known as this.
the Gorgons