Differentiate antonyms

What is the opposite word for Differentiate?

• mistake

  make a distinction
• confuse

  make a distinction, change
• connect

  change, make a distinction
• mix up

  change, make a distinction
• associate

  change, make a distinction
• misunderstand
• link

  change
• misinterpret
• group
• allow
• leave
• remain
• stagnate
• preserve
• leave alone
• integrate
• confound
• mix
• dedifferentiate
• lump
• lump together
• mingle