The word "parasynanchy" is a scientific term used in botany to describe a phenomenon where there is an overlap in the distribution of plant species in different regions. Its spelling may seem daunting, but it can be broken down phonetically as "pa·rə·sə·ˈnæŋ·ki" (pah-ruh-suh-nang-kee). The word is composed of the prefix "para-" meaning beside, and "syn-" meaning together, combined with the suffix "-anchy" meaning related or connected. Understanding the IPA phonetic transcription can help us to correctly pronounce and spell complex words like this one.
Rheumatic inflammation of the muscles of the throat.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.