Unicorns vs Pegasi - What's the difference?

unicorns | pegasi |

As nouns the difference between unicorns and pegasi

is that unicorns is while pegasi is .

Pegasi vs Pegasid - What's the difference?

pegasi | pegasid |

As nouns the difference between pegasi and pegasid

is that pegasi is while pegasid is (zoology) any member of the family pegasidae or pegasid can be (planetology) an exosolar planet whose characteristics are similar to jupiter, but which orbits its parent star much more closely and thus has higher temperatures.