whores horse hoarse的读音差别

whores horse hoarse的读音差别
来自《2.5men》S04E18中的一个笑点
Kandi:Let's not put the car before the "whores".(笑声)
(put the car before the horse应该是本末倒置的意思)
Alan:"Horse".
(Alan的纠正)
Kandi:Maybe a little;I've been rehearsing all day.
(这里Kandi理解成了"hoarse"嗓子哑)
貌似这三个词发音都一样
主要还是想问whores和horse的读音差别