I love dogs, but have a strong antipathy towards cats.
anti (against)#pathein (to suffer) (Greek)
animosity, animus, antagonism, antipathy, aversion, enmity
amity, ardor, empathy
antipathy-- anti + path. not on the same path due to a feeling of intense dislike. CAN REMEMBER IT AS OPPOSITE OF sympathy. RHYMING n OPPOSITE WORDS - antipathy n sympathy