The word corp is not a word in English.
With a period added, corp. is the abbreviation for corporation or corporal.
With an 's' added to the end of the word, corps is a noun for a main subdivision of an armed force in the field, consisting of two or more divisions and a a group of people who work together to do a particular job, such as the press corps or diplomatic corps. The noun corps is both the singular and the plural.
Both the singular and plural form is corps; the singular or plural possessive is corps'.
It is singular.
Singular. Corpses is plural.
The singular form of the demonstrative pronoun 'these' is this.
The singular form of "that" is "it."
The singular form is cuff.
it is already in its singular form.
"Stratum" is the singular form of stratum. The plural form is "strata".
The form hypothesis is the singular form. The plural form is hypotheses.
A singular form of dice is a die
The singular form of feet is foot.
The singular form of Oases is, Oasis.