i study for writing acrademic essay.
So i need to distinguish formal and informal words before writing essay, but I don't know well what is formal word or opposite. I already divided a litter formal from informal by myself, but I cannot sure that it is corrcet or not.
Could you check it and add more information?
Thank you, plz
formal informal
appear seem
assist help
reside live
consequently in the end
climb
go
want
end
tell
empty
back
stop cease
ask inquire
demonstrate
depart
obtain
preserve
reject
free
mend
retain
at once
initially
mainly
repeatedly
therefore
deficiency
opportunity
sight
whole
wrong
energetic
inferior
inexpensive cheap
dim
laid
insane
responsible
enough
better
transparent