subhead

That job for this year’s Ask Backwards consisted of reading about 1,400 entries plus 200 headline and subhead suggestions.
Style Conversational Week 1461: You name it!|Pat Myers|November 4, 2021|Washington Post
If you’re just sending alternative headlines and subheads, you can send them through the form in the usual way.
Style Conversational Week 1437: We’re emerging!|Pat Myers|May 20, 2021|Washington Post
Use this link and scroll down a couple of inches to the subhead “Play it again.”
Style Conversational Week 1420: Back to the vocal point|Pat Myers|January 21, 2021|Washington Post
Soon enough, company memos could end up looking like Axios newsletters, with the same subheads — one big thing, what’s next, go deeper and why it matters — outlining the changes in an organization.
Axios is entering into the software licensing business with a new tool to help companies communicate|Kayleigh Barber|December 11, 2020|Digiday

To be fair, the subhead was later modified after I demanded via Twitter that it be so.
Peter Beinart’s Bias Against Me, Cory Booker, and Israel|Rabbi Shmuley Boteach|June 14, 2013|DAILY BEAST
With the gleeful subhead: “After Years of Controversial Comments And Gaffes, Vice President Biden Gets Bumped From Prime Time.”
Joe Biden Getting Short Shrift at Democratic Convention|Michelle Cottle|September 6, 2012|DAILY BEAST
Tom's part in the affair was told in a couple of paragraphs under a subhead.
The Walking Delegate|Leroy Scott
All this is done, even where the saving under one subhead more than counterbalances the excess under another in the same vote.
The Government of England (Vol. I)|A. Lawrence Lowell