airstrip vs flight strip

airstrip and flight strip both are nouns.

Word	Noun	Adjective	Verb	Adverb
airstrip	Yes	No	No	No
flight strip	Yes	No	No	No

As nouns, airstrip and flight strip are synonyms defined as:

airstrip and flight strip: an airfield without normal airport facilities

Other synonyms of airstrip include landing strip, strip.

airstrip (noun)	flight strip (noun)
an airfield without normal airport facilities	an airfield without normal airport facilities