a right, aright

A right or a right ( two words ) describes something in the direction of the east when facing north--
Make a right turn at the light.

A right may describe one ( a ) correct ( right ) thing or idea--
Is there a right answer, or was that a rhetorical question?

A right may mean one ( a ) just claim or title, either legal, moral, or financial ( right )--
Let him speak; he has a right to be heard.

A right may also describe a perpendicular line, or an angle of 90 degrees--
If you cut the paper on the diagonal, you'll have a right triangle.
The two lines make a right angle, like the corner of a square.

Aright or aright ( one word, rhymes with a right ) is an old-fashioned word meaning correctly, or the way it should be--
He set the vase aright, but the flowers were all broken.
Set that picture aright; it's crooked.

Now that you know that, you can say--
"Make a right when you get to the crossroads, and you'll come out aright."

Note--"all right" ( two words ) is an expression of assent or agreement--
Oh, all right, I'll go with you.
"All right" may also mean okay, good, or satisfactory--
Are you all right?
Does this look all right?

contingent, contingency

Contingent or contingent describes something possible or uncertain; depending on a condition--
The building plans are contingent upon the approval of the zoning board.
Our plans are contingent upon the weather, so let's have a backup plan ready.

Contingent is also a noun ( thing or idea ), meaning a quota of troops, or a  group making part of a greater assembly, as by lot or portion--
The duke sent a contingent of infantry to aid his brother.
We'll be part of the California contingent at the national convention.

Contingency or contingency is a noun ( thing or idea ), meaning dependence on chance or on a certain condition; uncertainty--
We have prepared for every contingency, including earthquake and flood.
It's best to be prepared for any contingency.

Now that you know that, you can say--
"We have to be ready for any contingency, and this trip is contingent on our finances, on our legal status, and on the goodwill of any people we encounter."

adopt, adapt

Adopt or adopt means to make one's own by selection or agreement--
The house voted to adopt the new resolution.
They have no children, so they decided to adopt one.

Adapt or adapt means to adjust or modify, so as to fit or suit--
We can adapt this to suit our needs.
It may take him a few days to adapt to his new surroundings.

Now that you know that, you can say--
"If you adopt a child, it may take him some time to adapt to his new home."

Note--"adept" means highly skilled or expert--
He has wonderful social skills; he's adept at getting people to talk.

credible, creditable

Credible or credible means believable, as a story that seems to be true--
At first she doubted his story, but later it seemed credible.
If you're going to be late, make sure your excuse is credible.

Creditable or creditable describes an action that brings honor or esteem--
His quick thinking and prompt action were creditable; he'll be rewarded by the management.
His creditable dedication and hard work earned him a position of trust.

Now that you know that, you can say--
"His bravery under fire was creditable; we think he'll make a credible witness."

omnivorous, omniferous

Omnivorous or omnivorous means eating everything, or eating food of all kinds, literally or figuratively--
Most people are omnivorous; they eat meat, vegetables, and grain.
He's an omnivorous reader; he reads all kinds of books and magazines.

Omniferous or omniferous means producing or bearing all kinds--
He painted a picture of one great omniferous tree of life.
He believes that the world and everything in it came from the omniferous mind of God.

Now that you know that, you can say--
"In the kitchen she's omniferous, producing all kinds of dishes, and her omnivorous family eats them with relish."

Note--"omnifarious" means of all kinds or varieties--
Ask several people to comment, so that we can show their omnifarious opinions.

eternal, internal

Eternal or eternal means lasting or enduring forever, without a beginning or end--
Some religions teach a doctrine of eternal life.
Even the stars are not eternal, just very ancient.

Internal or internal means on the inside of something; contained within; physically or mentally--
The biology students are learning about internal organs.
You'll want to contact the internal affairs department.

Now that you know that, you can say--
"Talk of eternal life gives him an acute feeling of internal discomfort."

Note--"external" means on the outside of something--
"This product is for external use only; not to be taken internally."

oscillate, osculate

Oscillate or oscillate means to swing back and forth, like a pendulum, literally or figuratively--
The value may oscillate from two to negative two, along an axis of zero.
His opinions seem to oscillate between liberal and conservative, but he's really independent.

Osulate or osculate means to come into close contact; to kiss or touch, as two circles or geometric forms, or facetiously, people--
The two curves are said to osculate when they come into contact at one point.
Their wedding photo is funny; they seem to osculate, in profile, like a pair of kissing fish.

Now that you know that, you can say--
"His feelings seemed to oscillate between an ardent desire to osculate with the woman, and stone cold indifference."