These are the correct spellings (unless I have made a 'typo'):

Intellectual (NOT interlectual)

Advertisement (3 'e's)

whereas

consequently

moreover

prejudice

prejudiced

quotation (NB never quote –examiners expect the full word)

business

language

sentence

phrase

stanza

additionally

definitely (note the NIT in the middle)

its/it's

simile

metaphor (NB there is no 'e' on the end – you are thinking of 'semaphore'