Basal refers to a foundation that forms a base while basil refers to an herb.
At the end of the day vs Late in the day
at the end of the day—(coll.) after one has considered all the relevant facts:
Biography vs Life vs Memoir vs Autobiography vs Confessions
Biography, life, memoir, autobiography, confessions are comparable when they mean a more or less detailed account of the events and circumstances of a person's life.
At the end of sth and In the end of sth
at the end of something—1. in the farthest or last part of smth.:
Barely than vs Barely when
Barely when is the correct expression.
Barbarism vs Barbarity
Barbarism is a crude or rude act or an incorrect expression of words.
Bill vs Act vs Statute vs Law
Bill, act, statute, law are frequently confused when used to designate a legislative measure.
At the depth of sth vs In the depth of sth
at the depth of something—at a specified distance from the top down:
Bill vs Beak vs Neb vs Nib
Bill, beak, neb, nib denote the jaws of a bird together with their projecting horny covering.
At the cutting edge of sth vs On the knifeedge of sth
at the cutting edge of something —(also: on the cutting edge of something ) involved in the most advanced developments in a particular field:
Barb Wire vs Barbed Wire vs Bob Wire
Though variations exist, the correct phrase is barbed wire.
Biannual vs Biennial vs Semiannual
Biannual, biennial, semiannual, though not synonymous, are frequently confused.