ὄχλον [4 verses](noun sg masc acc) "Of the people" is from ochlos, which means "a throng" or "multitude" but which also mean "trouble" and "annoyance." Our word "mob" or "crowd"  really captures the idea best. -- (CW) "People" is a Greek singular noun meaning  "a throng" or "multitude" but which also mean "trouble" and "annoyance." Our words "crowd" or "mob" capture the idea best.  Jesus uses this word only four times.

ὠδίνων. [2 times](noun pl fem gen) "Sorrows" is ôdin, which means specifically the "pain or throes of childbirth," "children," in singular, "that which is born amid throes,"" "child," It is a metaphor for "anguish" but with the specific sense of suffering that bears fruit, "fruit of" the mind's "travail." This is very different from the sorrow we feel at death, which is what the term "sorrows" in the context of war and natural disaster seems to indicate.

ὀδόντα [8 verses](noun sg masc acc) "A tooth" is from odous, which means "tooth," "anything pointed," "prong," "spike," "peak," and "tooth [of a saw]." It is a metaphor for the pain of grief. -- The Greek word translated as "tooth" means "tooth" but it is a metaphor for the opposite of comfort and cheer, the pain of grief. Jesus uses the "grinding of teeth" as evidence for suffering in verses such as Matthew 13:42.

ὀδυνῶμαι [2 verses](verb 1st sg pres ind mp ) "I am tormented" is odynao, which means to " cause one pain or suffering".  - "Are tormented" is a Greek verb that means to "cause one pain or suffering." It is from a Greek noun meaning "consuming grief," which was never used by Jesus but a very common word in the Septuagint, the Greek Old Testament.   The form in which it is used indicates either that the man is being tormented or that he is causing pain for himself. This word is uncommon, only used here and in the previous verse. 

ὀγδοήκοντα. [1 verse](numeral) "Four score" is ogdoēkonta, which is the Greek number eighty. --  The word translated as "four score" means "eighty".  It is an uncommon word, only used by Jesus in one other Luke parable.