So, Yorùbà is a tonal language, ok. It is *not* monosyllabic, though. Not so OK :/
- igba ‘two hundred’
- igbá ‘calabash’
- ìgbà ‘time’
- ìgba ‘the season when perennial crops have the least production’
- ìgbá ‘garden egg’
- igbà ‘climbing rope’
- ọkọ ‘husband’
- ọkọ́ ‘hoe’
- ọ̀kọ̀ ‘spear’
- ọkọ̀ ‘vehicle’