flow sheet vs flowchart

flow sheet and flowchart both are nouns.

Word	Noun	Adjective	Verb	Adverb
flow sheet	Yes	No	No	No
flowchart	Yes	No	No	No

As nouns, flow sheet and flowchart are synonyms defined as:

flow sheet and flowchart: a diagram of the sequence of operations in a computer program or an accounting system

Other synonyms of flow sheet include flow chart, flow diagram.

flow sheet (noun)	flowchart (noun)
a diagram of the sequence of operations in a computer program or an accounting system	a diagram of the sequence of operations in a computer program or an accounting system