The word Pyrhic is misspelled against Pyrrhic, a noun meaning "A foot consisting of two short syllables."
-->
Pyrrhic has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings py & hic which should not be misspelled with single 'R'
Wrong Spelling:  py-r-hic 
Correct Spelling:  py-rr-hic 
Find more wrongly spelled words of Pyrrhic to spell it well.