He was dumbfounded to find cereal in his shoes. Dumbfounded is one word, not two.

He was front and center on the stage. Use front and center, not front in center.

The tee-totaler refused the drink. Use tee, not tea, in this word.

All told, there were one-thousand people attending. Use all told, not all tolled, because it comes from an old definition of tell meaning to count. That is where we get the word teller for those behind a bank counter.

He was wearing brand new shoes. Use brand new, not bran new, when describing something completely new.

I wouldn’t have joined the poker game if I had known he was a card shark. Use either card sharp or card shark when speaking of a card playing expert. The meaning is almost the same though the use of sharp tends to imply cheating.

These words sometimes sound the same but have different meanings.

to has to do with movement toward a place
too is another word for also
two is a number

vein is a vessel returning blood to the heart
vain is to be overly proud of oneself
vane is a device used to show wind direction

wet is when something is covered by water
whet is to stimulate an appetite

which has to do with showing the one that qualifies
witch is one who practices witchcraft

yolk is the yellow center of an egg
yoke is a frame of wood joining two oxen at their necks

These words sometimes sound the same but have different meanings.

peak is the top of a mountain
peek is to look through a crevice
pique is to stimulate sonmeone’s interest

sense has to do with sensation
since has to do with a time in the past

spayed has to do with keeping the pet population down
spade is used for digging

tack is a small nail
tact is dealing with others in a sensitive manner
tacked is what you have done with a note and a small nail

tenant is an occupant of a building
tenet is a belief or principle

These words sometimes sound the same but have different meanings.

diffuse is to spread through the air
defuse is to make less dangerous

hear is to detect sound
here is this location

hence means for this reason
hints are clues

hire is to accept someone for a job
higher is to gain altitude

ordinance is a local law
ordnance is military ammunition

These words sometimes sound the same but have different meanings.

canvas is used for tarps
canvass is to solicit voters

capital is a city designated as a legislative seat
capitol is the building located in the capital city

cite is to list a source in a book
site is a location
sight is the ability to see

clothes are what we wear
close is what you do to a door after exiting

course is the route taken by cross-country runners
coarse is sandpaper with large particles

cursor is a moving icon driven by a pointing device
curser is one who curses

These words sometimes sound the same but have different meanings.

air is what you breathe
err is a mistake
heir is a person who will inherit

all is everything
awl is a tool

allude is to make a disguised reference
elude is to escape

aloud is using the voice
allowed is to be permitted

alter is to change
altar is for religious ceremonies

ant is an insect
aunt is a relative