Zoidal or Zooidal: How To spell?
The word Zoidal is misspelled against Zooidal, an adjective meaning "pertaining to a zooid; as, a zooidal fm."
Zooidal has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings z & idal which should not be misspelled with single 'O'
Wrong Spelling:  z-o-idal  Correct Spelling:  z-oo-idal 
Find more incorrect spellings of Zooidal to spell right way.