Cognates are words from two languages that are the same or similar. Knowing the rules of cognates will help you learn and deduct words for its use in Spanish

CONVERSATION spanish cognatesHere is a first rule:

Words that end in –ous change to –oso

Spanish words that end in -oso tend to be adjectives. In English we can often change a noun into its corresponding adjective by adding -ous e.g advantage/advantageous, harmony/harmonious, space/spacious. You can often also do this in Spanish with -oso e.g peligro (danger)/peligroso (dangerous), lujo (luxury)/lujoso (luxurious).


English Spanish
Curious Curioso
Delicious Delicioso
Glorious Glorioso
Mysterious Misterioso
Numerous Numeroso
Precious Precioso
Religious Religioso
Tedious Tedioso