Lightyear is a noun.
Yes it is. Buzz lightyear is a part of every childs childhood and they love to relive it. You can buy it almost anywhere online. I hope that this has helped.
Buzz Lightyear
a mega lightyear
A lightyear is a much larger distance.
Buzz Lightyear
Lightyear Capital was created in 2002.
Lightyear Capital's population is 20.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath