Here are some examples of how common words can be used to simplify and clarify a document:

Use	Instead of	Use	Instead of
do	accomplish	instead of	in lieu of
find out	ascertain	place	locality
send out, distribute	disseminate	best, greatest, most	optimum
try	endeavor	plan	strategize
hasten, speed up	expedite	use	utilize
make easier, help	facilitate	work out, devise, form	formulate

Replace wordy phrases with common words. Here are some examples:

Use	Instead of	Use	Instead of
about	with regard to	after	subsequent to
by	by means of	under	under the provisions of
if	in the event that	to	with a view to
until	until such time	apparently	it would appear that
while	during such time	probably	it is probable that
for	in respect of	although	notwithstanding the fact that
because	in view of the fact	enough	adequate number of
by	on the part of	too many	excessive number of