Lake Clark National Park vs Lake Clark National Park and Preserve

Lake Clark National Park and Lake Clark National Park and Preserve both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lake Clark National Park	Yes	No	No	No
Lake Clark National Park and Preserve	Yes	No	No	No

As nouns, Lake Clark National Park and Lake Clark National Park and Preserve are synonyms defined as:

Lake Clark National Park and Lake Clark National Park and Preserve: a national park in Alaska having Eskimo and Athapaskan archeological sites

Lake Clark National Park (noun)	Lake Clark National Park and Preserve (noun)
a national park in Alaska having Eskimo and Athapaskan archeological sites	a national park in Alaska having Eskimo and Athapaskan archeological sites