have in common

have (something) in common (with someone or something)

To share characteristics, interests, opinions, etc. with someone or something. Well, we have one thing in common: we both hate asparagus! The car has a lot in common with the more expensive model, but it does not have an advanced audio system.
See also: common, have, someone
Farlex Dictionary of Idioms.

have something in common (with someone or something)

[for groups of people or things] to resemble one another in specific ways. Bill and Bob both have red hair. They have that in common with each other. Bob and Mary have a lot in common. I can see why they like each other.
See also: common, have
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • have (something) in common (with someone or something)
  • have something in common
  • in common
  • in common (with someone or something)
  • in common with somebody/something
  • same as
  • the same as (someone or something)
  • if it looks like a duck and walks like a duck, it is a duck
  • quack
  • perceive as