Rika vs Rima - What's the difference?
rika | rima |
(anatomy) A cleft or gap between two symmetrical parts, particularly between the vocal folds.
(astronomy) A crack or fissure on a lunar or planetary surface; a rille.
* 2006 , What's Up 2006: 365 Days of Skywatching [http://books.google.com/books?id=tLUFJ53HG8sC], page 128:
As a proper noun rika
is .rima
English
Noun
(rimae)- Look for three prominent interior craters, as well as an ancient rima falling near the shadow's edge.