Yes the word formation is a singular noun.
The plural noun is formations.
Yes, the word geese's is the plural possessive form of the singular noun goose.Example: The geese's formation is a letter V.
No the word notes is a plural noun. The singular noun is note.
The singular form is phenomenon.
The word army is a singular noun; armies is the plural form.
The noun personalities is the plural form for the singular noun personality.
Yes, the word 'friendship' is a noun; a singular, common, abstract noun; a word for an emotional relationship between people; a word for a thing.
The word finder is the singular noun. The plural noun is finders.
The word tooth is the singular noun. The plural noun is teeth.
The word actress is the singular noun. The plural noun is actresses.
Yes the word question is a singular noun. The plural noun is questions.
The noun garb is used as a group noun to mean clothing. It uses singular verbs.
The word aisle is a singular noun. The plural noun is aisles.