A Lot Vs. Allot
A lot (meaning more than a few) is always two words. The phrase is often misspelled as alot. Allot is a verb that means to distribute by lot or shares.
Accept Vs. Except
Accept means to receive, or agree with; Except means to omit or to exempt. The two are commonly misused and often interchanged at little cost to standard usage.
Affect Vs. Effect
Affect & effect are two highly misused and interchanged terms. As a verb affect means to influence. Effect as a verb means to cause but as a noun means result.
All Right Is Not Alright
All right is always two words. Alright is not a word, although like altogether and already it looks like is should be and spellchecks are strangely allowing it.
Brouhaha (Noun). An uproar, a hubbub, excited public event, turmoil, or social agitation. Usually over a minor incident.
A crepuscular animal is mostly active during twilight, which is at both dusk and dawn. House cats, bats, bears & ocelots are an examples of crepuscular animals.
Em Dash Vs En Dash
An em dash (—) is slightly longer than an en dash (–) and both are longer than the hyphen or minus symbo (-). Typically the em dash is used like a comma.
Gubernatorial is the adjective used when referring to a governor. If Arnold Schwartzenneger was on the beach, you could say gubernatorial swim trunks.
It's vs. Its
It's and Its are often misused and confused in written English. It's means it is while its is the possessive pronoun meaning something belongs to something.
A landlubber is someone who has no knowledge of boats or the sea. Lubber (noun) referring to a clumsy, lazy, or all around inexperienced person with boats.