force per unit area vs pressure level

force per unit area and pressure level both are nouns.

Word	Noun	Adjective	Verb	Adverb
force per unit area	Yes	No	No	No
pressure level	Yes	No	No	No

As nouns, force per unit area and pressure level are synonyms defined as:

force per unit area and pressure level: the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)

Other synonyms of force per unit area include pressure.

force per unit area (noun)	pressure level (noun)
the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)	the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)