catalizar - to catalyze
catalogar - to catalog
catapultar - to catapult
catar - to taste, to sample, to test
catear - to fail, to flunk (examen)
categorizar - to categorize
catequizar - to catequize
caucionar - to guarantee
cauchutar - to rubberize
cauterizar - to cauterize
cautivar - to captivate
