—means both the verb "smile" and the noun "mouse." Either can be a little cheesy.
Faux amis, virelangue, homographes, homophones.
Et tout qui me rend confuse sur le français. Une série de dessins sur les mots en anglais et français qui semblent similaire.
Faux amis (false friends) are pairs of words in different languages that look the same, but don't have the same meaning. However, not all faux amis are false cognates, sometimes they are paronyms with shared etymology and similar spelling. Homographs and homophones, loosely defined, are types of homonyms. Mind boggled? Me too. This is just me trying to make sense of the French.