a perpend is a vertical joint between adjacent masonry units
There is no English word "perpend." There is a mathematics word "perpendicular," which means at a right angle, but you may be referring to some other word that you did not spell correctly.
It means to consider carfully. To ponder and think about.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
what part of speech is work
adverb
Sashay is a verb. It means to walk in an exaggerated, showy manner, often with hip swaying.
"Did not" or "didn't" is a contraction of the auxiliary verb "did" and the adverb "not," forming a negative past tense construction in English.
The word speech is a noun.
Adjective