adjective - not legal, against the law

adverb - into, towards the inner part

noun - the inner part of something

adjective - first, true at the beginning

noun - a change for the better

adjective - perfect, the one you fancy

preposition - in, to the inside of

noun - the way something is controlled

noun - a hole in the ground

noun - the study of natural forces

preposition - on the upper surface of

noun - space beyond the Earth's atmosphere

preposition - moving to the surface of

adjective - sole, being the only one

noun - the job that you do