Peradial or Perradial: How To spell?

The word Peradial is misspelled against Perradial, an adjective meaning "Situated around the radii, or radial tubes, of a radiate."

Perradial has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings pe & adial which should not be misspelled with single 'R'
Wrong Spelling: pe-r-adial
Correct Spelling: pe-rr-adial
Find more wrongly spelled words of Perradial to spell it well.