Misspellings - Typos
double refractoon, duble refraction, double refrsction, doub;e refraction, double reraction, dpuble refraction, double rerfaction, double eefraction, doyble refraction, double reftaction, doublerefraction, double refractio, doble refraction, doulbe refraction, double refractino, doublle refraction, oduble refraction, doule refraction, double tefraction, double refractiob, doubel refraction, double refraaction, douuble refraction, doubl refraction, double refeaction, double refractoin, doublee refraction, double erfraction, double refraction, double reefraction, diuble refraction, double refracrion, double refracyion, double rfraction, double redraction, double efraction, doublw refraction, double refracttion, dobule refraction, double reffraction, double refrraction, double refravtion, double refracsion, dounle refraction, double refractiom, double refractuon, double refarction, double refracction, doible refraction, fouble refraction, double rwfraction, ddouble refraction, double regraction, double refractin, doube refraction, doublr refraction, double refraciton, double refration, doubke refraction, double refrcation, double refaction, double refractiion, douvle refraction, double refractiin, doubble refraction, double refracton, souble refraction, double rrfraction, ouble refraction, double refractionn, doouble refraction, duoble refraction, double rrefraction, double rferaction, double refratcion, double refrction, doubler efraction, double refracion, double refraxtion, double refractipn, doubl erefraction, double refractioon