examples:
-pastor, shepherd
-timor, fear
-clamor, noise

-or

You've met a whole new group of words with new endings:

-ns

-is

examples:
-ovis, sheep
-canis, dog
-vallis, valley

examples:
-dens, tooth
-mons, mountain

-l

examples:
-sol, sun

They all pluralize similarly:

the plural (nominative) should end in -es.

examples:
-1 pastor, 2 pastores
-1 timor, 2 timores
-1 clamor, 2 clamores

-or --> ores

Look at these examples:

-ns --> ntes, l --> les

-is --> es

examples:
-1 ovis, 2 oves
-1 canis --> 2 canes
- 1 vallis, 2 valles

examples:
- 1 dens, 2 dentes
- 1 mons, 2 montes
- 1 sol, 2 soles

Did you get that?
Next is a test!