How can you ascertain whether an apparently r-stem noun is actually s-stem?

1. How do you tell if a noun is I stem?
2. How do you find the stem of a noun?
3. What are the features of a noun stem?
4. How do you find the stem of a Latin verb?

How do you tell if a noun is I stem?

RULE 1: I-stem third-declension nouns: (1) are "parisyllabic"; (2) have a monosyllabic nominative singular ending in -s/x and two consonants at the end of the base; (3) or, are neuters ending in -e, -al or -ar.

How do you find the stem of a noun?

To find the stem of a noun, simply look at the genitive singular form and remove the ending –ae. The final abbreviation is a reference to the noun's gender, since it is not always evident by the noun's endings.

What are the features of a noun stem?

A noun stem is the core part of a noun that carries the basic meaning of the word. The singular form of a noun is considered to be its stem. Prefixes and/or suffixes, called inflections, can be added to this stem.

How do you find the stem of a Latin verb?

Rule 1: To find the present stem of a verb, take off -re from the present active infinitive. This will be the second principle part of the verb given in a dictionary. Taking off the -re from amāre gives you amā-. Now you have the present stem, you can use it!