Dollars
It is spelled alveolus, and the plural would be alveoli.
The word is spelled children, just as you spelled it. It is the plural of "child".
The word is spelled thefts, just as you spelled it. Thieves would be the plural noun, or the persons committing the thefts.
Singular: dollar. Plural: dollars.
The correct spelling is mirror. The plural form would be spelled as mirrors.
The correct spelling is dinosaur. The plural form would be spelled as dinosaurs.
The plural form of the noun company is spelled companies.
The word is spelled vacancy. Plural is vacancies.
the correct spelling of a plural is opossum.
Margin is the correct spelling of this word. The plural form would be spelled as margins.
The plural of tie is ties.
The plural is a regular S plural, instruments.