Common misspellings of the word parallelism are:
How do you spell parallelism?. It is not aprallelism or arallelism or paallelism or paarllelism or paralelism or paralellism or paralleilsm or paralleism or parallelim or parallelims or parallelis or parallelsim or parallelsm or parallleism or paralllism or parlalelism or parllelism or praallelism or even prallelism for that matter!