Some five letter nouns that start with A are:
An "island" is a common noun that starts with the letter "i."
A five (5) letter word that starts with Z and ends with F, there is none recorded. However, there is a word that starts with Z and ends with F. The word is a four (4) letter word: zarf, (noun) a metal holder for a coffee cup.
abandon
A nine letter abstract noun that starts with U is ultimatum.
The collective noun for soldiers that starts with S is squad.
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It is a common noun because it starts with a lowercase letter!
Pennsylvania
noun
Lungs.
kitty
ClaspCreamCheapCleatCouldCasteCrimpChoseClone