Aperture.
Give the letter to me.
"I" is the ninth letter in the alphabet.
You could give an iPhone as a gift. It begins with the letter i.
If you are putting a post on craigslist it will give you an option to post a photo of your object. You should have the picture saved in your computer.
Humane
hate
MOM!
Iris and impatien are flowers. They begin with the letter I.
Sure. The word incorporation starts with the letter i.
No If you have a picture of it you can use the measurements you know to give you the scale of the picture. Or if you don't have a picture you can use the length of your thumb viewed at arms length, and then calibrate using a known object, or better still, the known width.
Approval, assent, acquiescence can all mean to give permission.
I'll give you a clue it starts with an "e." And has a "u" as the fifth letter.