Oronym

A term that describes words like "I scream" and "ice cream"? "Some others" and "some mothers"?(Definitions)

Oronym. "...In the case of Toyota and toy Yoda, our brains are faced with "oronyms" – virtually identical speech that can be interpreted in different ways. English is full of these devilish duos. For example, I scream versus ice cream, a notion versus an ocean, and some others versus some mothers..." (extract from the CBC's Words, Woe and Wonder site)