English:
* to, too, two
* there, their, they're
* hear, here
* see, sea
* write, right
* wait, weight
* knew, new
French:
* le, les (the)
* où (where), ou (or)
* ce (this), se (oneself)
* s'il (if), s'il (he/she/it)
Spanish:
* se (oneself), sé (I know)
* si (if), sí (yes)
* el (the), él (he)
* valla (fence), vaya (go)
German:
* sie (she), Sie (you formal)
* sein (to be), sein (his)
* die (the feminine), die (she)
* das (the neuter), dass (that)
Italian:
* da (from there), dà (he/she gives)
* di (of), dì (day)
* lui (he), lui (him)
* la (the feminine), là (there)
Japanese:
* 聞く (kiku - to hear), 聞く (kiku - to ask)
* 読む (yomu - to read), 読む (yomu - to recite)
* 行く (iku - to go), 行く (iku - to behave)
Chinese (Mandarin):
* 看 (kàn - to look), 勘 (kān - to examine)
* 声 (shēng - sound), 声 (shēng - voice)
* 好 (hǎo - good), 好 (hào - to like)
These are just a few examples, and many other languages have their own sets of homophones. This phenomenon exists because languages evolve over time, and sometimes words with different origins end up sounding the same.