stepped line vs dropline

stepped line and dropline both are nouns.

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

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

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

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

stepped line (noun)	dropline (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