oral, aural

Oral or oral means by mouth, or by speaking--
She's afraid of needles; do you have an oral vaccine?
He'll need oral surgery to have his wisdom teeth removed.
Will the exam be written or oral?

Aural or aural ( rhymes with oral ) describes something related to the ear, or to the sense of hearing--
His hearing loss was caused by the complications of an aural infection.
The doctor thinks that aural surgery might improve his hearing.
An aural exam will determine the extent of hearing loss.
Music students may be asked to take an aural test, to show that they can hear the difference between notes.

Now that you know that, you can say--
"He asked for a written test, because his aural damage made the oral exam so difficult."

handmade, handmaid

Handmade or handmade means fashioned or created by an artisan, usually by traditional methods; not made in a factory--
That's an unusual sweater. Is it handmade?
He sells handmade wooden toys at the local outdoor market.

Handmaid or handmaid ( rhymes with handmade ) means a female servant--
"Behold the handmaid of the Lord..."
The woman resented being made to feel like a handmaid in her own home.

Now that you know that, you can say--
"The arisocrat's fabulous clothing was handmade by her handmaid."

Note--"homemade" means made at home, instead of purchased in a store--
She made these homemade preserves in July.

residents, residence

Residence or residence means home or dwelling place--
You may vote only at the polling place assigned to your legal residence.
He refers to his home as his residence, even in casual conversation.
Residence may also mean the fact or term of living in a particular place--
He learned to do that during his residence in Florida.
You'll have to provide proof of your residence in the state.
Residence may also mean the term of a particular job, such as an ambassador, that requires living in a particular place--
His residence won't be more than four years.

Residents or residents ( rhymes with residence ) is the plural of "resident", meaning a person who lives in a particular place--
The fire department is evacuating all of the residents of the building. 
The residents of this neighborhood want ot have a meeting about the late night noise problem.

Now that you know that, you can say--
"The residents of a large apartment complex refused to sign the new terms of residence."
 

crater, krater

Crater or crater means a large hole in the Earth, the moon, or some other planet, made by a meteor, a volcano, a bomb, or by some other means--
They could see the glowing lava in the crater of the volcano.
The impact of the meteor made an enormous crater.

Krater or krater ( rhymes with crater ) means a kind of ancient Greek bowl with handles, used to mix wine and water--
They found an ancient Greek krater, still intact.
He wrote a sonnet, inspired by the scene on the ancient krater.

Now that you know that, you can say--
"The bomb made a crater that unearthed some ancient pottery, including a krater in perfect condition."

cirrhosis, sorosis

Cirrhosis or cirrhosis is a disease of the liver--
He drank for decades, and eventually died of cirrhosis.
The scandal magazone says he has cirrhosis, but he claims he's overtired.

Sorosis or sorosis means a fruit with many flowers and seeds combined--
The garden-variety pineapple is an example of sorosis. 
Sorosis is also an old-fashioned term for a women's society or sorority--
The weekly meetings quickly turned into a sorosis, with no men present.

Now that you know that, you can say--
"He was sure that a sorosis--a pineapple or mulberry--would cure his cirrhosis."

information, in formation

Information or information ( one word ) means knowledge, data, or news--
We need some information about renting a truck.
The internet makes finding information easy.

In formation or in formation ( two words ) describes a military unit lined up by rank and file, or in rows, columns, or squares--
They were lined up in formation before the general arrived.
The colonel ordered the troops to remain in formation during the ceremony.

Now that you know that, you can say--
"The major is looking for information on the proper way to have the regiment march in formation."

bark, barque

Bark or bark means the noise some animals make, most commonly dogs--
When he hears the bark of a dog, he runs and hides.
His bark is worse than his bite.
Bark, said of a dog, means to make a noise--
Go and tell the dog not to bark; it's late.
Be a good dog; don't bark.

Bark also means the outer covering of a tree--
Some creature has been gnawing the bark off of this tree.
Some canoes were made with the bark of a tree.

Barque or barque, sometimes spelled bark ( rhymes with bark ) means a kind of boat, equipped with sails--
The little barque survived the storm, and seems to be intact.
Only one barque and its crew returned to tell the tale of the voyage.

Now that you know that, you can say--
"They repaired the barque with pieces of bark, stuck in place with pitch."