dropline vs stepped line

dropline and stepped line both are nouns.

Word	Noun	Adjective	Verb	Adverb
dropline	Yes	No	No	No
stepped line	Yes	No	No	No

As nouns, dropline and stepped line are synonyms defined as:

dropline and stepped line: a headline with the top line flush left and succeeding lines indented to the right

Other synonyms of dropline include drop line, stagger head, staggered head, stephead.

dropline (noun)	stepped line (noun)
a headline with the top line flush left and succeeding lines indented to the right	a headline with the top line flush left and succeeding lines indented to the right