The document provides examples of English words that have Spanish cognates ending in similar suffixes, with some predictable sound or letter changes. It lists English words ending in -a, -o, -e that become Spanish by dropping the last vowel; English words ending in -ary, -ical, -ent, -ment, -or, -ist, -tion, -ty, -ence/-ance that become Spanish by changing to -ario, -ico, -ente, -o, identical, changing nothing, -cion, -dad, and -encia/-ancia respectively. It also notes Spanish words ending in -oso as cognates of English words ending in -ous. The document aims to illustrate patterns in identifying Spanish cogn