an/ces/tor

remember: split words up into syllables this word also has a silent C

carnivore

carnivorous

car/ni/vore

car/niv/or/ous

remember: saying words slowly and breaking them up into syllables and saying them to yourself is helpful

comprehend

comprehension

com/pre/hend

com/pre/hen/sion

what formula did I use to spell this word? hint: use the picture

fe/ro/cious 

to find the syllables try clapping it out

ob/scure

for more help look in your WW book 

pre/ma/ture

remember: sound it out yourself

prey

some words don't have syllables so that might mean it is a short word

survive

survivor

sur/vive

sur/viv/or