Earth and den
It may be called a den, a lair, a burrow or an earth.
Earth and den
Two Amerindian words still used today
One of the two who said it was Paul Montoya
"In between" is commonly considered as two words when used as a phrase.
Two words: Man trap. But, mantrap is acceptable and sometimes used.
two
Two words borrowed from the Spanish language and used in English are "quesadilla" and "fiesta."
"A lot" is two words when used to refer to a large number or quantity. For example, "There were a lot of people at the concert."
Health care is two words, however when used a modifier (healthcare provider) it's one word or used with a hyphen.
Two - den-tist.
Bur-den has two syllables.