Karen Reddick, The Editor’s Blog

Many of us aren’t sure when to use a hyphen at the beginning or ending of a word. Here are some common beginnings and endings that don’t usually need a hyphen.
Beginnings:
anti: The entire group was antiwar.
bi: The paychecks come out bimonthly.
co: Her book used many coauthors.
extra: The student’s extracurricular schedule is full.
inter: Those two words [...]

Although important in all communication, choosing the correct words are especially important in writing, where ideas and attitudes are expressed without the help of facial expressions, tone of voice, or gestures. You can enhance the power of your writing by following these guidelines:
Use the correct word
Beware of confusing words that sound alike and have related [...]

Always capitalize the first and last words both in titles and in subtitles and all other major words (nouns, pronouns, verbs, adjectives, adverbs, and some conjunctions).
Lowercase the articles: the, a, and an.
Lowercase prepositions, regardless of length, except when they are stressed (i.e., through in A River Runs Through It).
Or, when used as adverbs or adjectives:
up [...]

Both of these words are correct and interchangeable. You can use either one because they mean the same thing, but many reference manuals state that attaching the [s] is used mostly in British English and without the [s] is preferred in American English.
Another tidbit about the word toward is its pronunciation. Toward is pronounced /tord [...]

Like is probably the least-understood preposition. It’s used to compare one thing to another. It means similar to or for example.
Examples:
This flower looks like a daisy.
This tastes more like lemonade than iced tea.
You look like your father.
I’m good at water sports like skiing and sailing.
As and as if are conjunctions used before clauses. (Remember: a [...]