staggered head vs stepped line

staggered head and stepped line both are nouns.

Word	Noun	Adjective	Verb	Adverb
staggered head	Yes	No	No	No
stepped line	Yes	No	No	No

As nouns, staggered head and stepped line are synonyms defined as:

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

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

staggered head (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