Yes, the word ovaries, the plural for for ovary, is a noun, a word for an organ of the body, a word for a thing.
The word sought may be appendicitis, an inflammation of the appendix (human organ).A similar word is appendices, the plural of appendix (addendum)
The plural of organ is organs.
Yes, the word 'pistils' is a noun, the plural form of the singular noun 'pistil'; a word for the female, ovule-bearing organ of a flower, a word for a thing.
The correct plural of appendix depends on the circumstances. If you are talking about the text at the end of a book or article, either the plural appendices or appendixes is correct. If you are talking about the organ in the body, appendixes is the only plural.
Yes, stomaches is the plural form of the noun stomach. The noun stomach is a singular, common, concrete noun, a word for a body organ, a word for a thing.
The word crises is a plural word; it is the plural form of the word crisis.
There is no plural word for if.
The plural word for delay is delays.
An organ for aerial respiration; -- commonly in the plural.
An organ for aerial respiration; -- commonly in the plural.
An organ for aerial respiration; -- commonly in the plural.