Ridge Ridge
knoll
butte
tor
harelip, hilltop
screed
hillside hilltop
age
aeons
The word hippopotomonstrosesquipedaliophobia. This word means fear of long words though.
An eight letter word that means "to remember details" is "memorize".
paper
An 11 letter word that means "to invade someone's privacy" is "trespassing".