The names of "October" and a few other months make a lot more sense if we look at Latin and the Roman calendar.

"Memorial" comes from Latin and is related to a slew of other English words, including "remember" and "memorandum."

"Waxing," "waning," "crescent" and "gibbous" go back a long, long time.

"Whiskey" has been through some changes in its journey to English from (no surprise) Gaelic.

May 1 is May Day (two words) in the United States. Don't confuse it with "mayday" (one word), the distress call for pilots.

"Rhythm" and "rhyme" are related words, both in meaning and etymology.

"Leverage" has been in the English language since the 18th century, but its position in everyday corporate speak is fairly recent.

Tea has been around for thousands of years, but English speakers didn't need a word for it until they started trading it in the 1590s.

"Butt" and "cheek" have been around for centuries. It took a while for English speakers to put them together.

"Ambulance" has been an English word since the 18th century, before motor vehicles, and is related to the word "amble."