abuse, agony, annoy, anvil, arrow, avoid, awake, asset, arome, armor, apron, antic, angel, amuse, among, alure, alter, alien, ...
Well, there's alot of words that have 5 letters and start with A. :P
arrow
Some five letter nouns that start with A are:alarmangelangleankleanvilapple,apronaspicasterazure
ClaspCreamCheapCleatCouldCasteCrimpChoseClone
Lungs.
kitty
carry
A five letter word that starts with 'tha' is THANK.
Queer is a five letter word.
apple
Organ
Beans
There are several trees that all start with the letter 'p' and are five letters long. The name of one tree that starts with the letter 'p' and is five letters long is the peach tree.