workload vs work load

workload and work load both are nouns.

Word	Noun	Adjective	Verb	Adverb
workload	Yes	No	No	No
work load	Yes	No	No	No

As nouns, workload and work load are synonyms defined as:

workload and work load: work that a person is expected to do in a specified time

workload (noun)	work load (noun)
work that a person is expected to do in a specified time	work that a person is expected to do in a specified time