lump with

lump (someone or something) (in) with (someone or something)

To put or categorize someone or something in the same manner or group as someone or something else, especially in a careless, hasty, or indiscriminately. Just because I've dabbled in drugs and alcohol doesn't mean I deserve to be lumped in with those degenerates. Kids, please don't lump the dark clothes with the whites—they need to be separated before they go in the washing machine! We've still got room in our car, if you want to lump your bags in with ours.
See also: lump
Farlex Dictionary of Idioms.

lump with

v.
To put someone or something in the same group or category as some other person or thing: My roommates lumped their CD collection with mine. The uniforms from the visiting team got lumped with ours after the game.
See also: lump
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • be/have done with somebody/something
  • beware of
  • beware of (someone or something)
  • be in line with (someone or something)
  • better of
  • (someone or something) promises well
  • begin with
  • begin with (someone or something)
  • bird has flown, the
  • be rough on (someone or something)
References in periodicals archive
They may investigate a lump with a mammogram or ultrasound, or both, and possibly an MRI scan as well.