This page has a list of closed pairs of English rhyming words—in each pair, both words rhyme with each other and only with each other.
At this time, no anapestic pairs have been found.
The pair "uneclipsed, unellipsed" is disqualified because uneclipsed also rhymes with ellipsed, and because unellipsed also rhymes with eclipsed.
In an asymmetric pair, the words differ in number of syllables.
Each pair is in a subsection according to the respective numbers of syllables in the words when they are in alphabetical order.