epi-

Above in location or position.

epilittoral

epinasal

Upon, atop, directly on top of in terms of position.

epibenthos

epipetric

Relating to epigenetics.

epichromosomal

epiclone

Secondary: a consequence, by-product, additional, or lesser version.

epilanguage

epiphenomenon

A part or segment that is located on the upper part of an object.

epikarst

epiphase