different between epichorial vs epichordal

English

From Ancient Greek ??? (epí, “upon”) + ???? (kh?ra, “countryside”) + -ial.

epichorial (comparative more epichorial, superlative most epichorial)

In or of the country; rural.
- 1840, Thomas De Quincey, Modern Superstition
  Epichorial superstitions from every district of Europe.
(anatomy) Relating to the epichorion

epi- +? chordal

epichordal (not comparable)

(anatomy) Upon or above the notochord; applied especially to a vertebral column which develops upon the dorsal side of the notochord, as distinguished from a perichordal column, which develops around it.

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