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It is well-known that speakers who entrain to one another have more successful conver- sations than those who do not. Previous re- search has shown that interlocutors entrain on linguistic features in both written and spoken monolingual domains. More recent work on code-switched communication has also shown preliminary evidence of entrainment on cer- tain aspects of code-switching (CSW). How- ever, such studies of entrainment in code- switched domains have been extremely few and restricted to human-machine textual inter- actions. Our work studies code-switched spon- taneous speech between humans, finding that (1) patterns of written and spoken entrainment in monolingual settings largely generalize to code-switched settings, and (2) some patterns of entrainment on code-switching in dialogue agent-generated text generalize to spontaneous code-switched speech. Our findings give rise to important implications for the potentially "uni- versal" nature of entrainment as a communica- tion phenomenon, and potential applications in inclusive and interactive speech technology.