conscious
Anxious can be another word for nervous.
Nervous or apprehensive
I don't think there is a word that rhymes with here and is another word for eyes, the word view kinda rhymes with it if that helps at all.
Sorry to disappoint you but there is no other word for happy that rhymes with it.
What rhymes with land and is another word for walk
Another word for snitch that rhymes with "kill" could be "chill."
Blizzard is a word for snowstorm that rhymes with "lizard."
eerie
I think Matthew rhymes with Matthew
Anxious or edgy are other words that can be used to describe feeling nervous or jumpy.
everything
The noun anxiety has the adjective form "anxious."