ἠσθένησα [3 verses](verb 1st sg aor ind act) "Sick" is from astheneo, which means "to be weak," "to be feeble," and "to be sickly."  - Surprisingly, the word used for "sick" is also an uncommon one despite all of Christ's work healing, he only uses it once before. It means "to be weak or sickly."

ἀσθενὴς [5 verses](adj sg masc nom) "Sick" is from asthenes, which means "without strength," "weak", in body "feeble", "sickly", in power, "weak", "feeble", in property, "weak", "poor", and "insignificant."-  - "Sick" is an  adjective meaning "weak," "sickly" "feeble in body," and "insignificant." This is an uncommon word for Jesus.

ἀστραπὴ [4 verses](noun sg fem nom) "Lightning" is from astrapê, which means "a flash of lightning," "lightning," and the "light of a lamp. " It is a metaphor for the "flashing" of the eyes. --  - "Lightening" is "a flash of lightning," "lightning," and the "light of a lamp. " It is a metaphor for the "flashing" of the eyes. (This word is translated in the Bible as lightning three out of four times it appears, but the description of it rising and setting in Matthew 24:27 makes it seem like Jesus uses it to describe the shining of the sun.)

ἄστροις, [1 verse]( noun pl neut dat ) "Stars" is astron, which means "the stars", and, metaphorically, something "brilliant", "admirable".

ἀσύνετοί [2 verse](adj pl masc nom) "Without understanding" is from the Greek, asynetos, which means "stupid" "witless," "void of understanding," "witless," "not able to understand," and, in the passive, "not to be understood, and "unintelligible." Literally, "not" , that is, "intelligence" or "wise."   - "Without understanding" is from a Greek adjective that means "stupid" and "witless," literally "not intelligent." It is from a base word that indicates the ability to put things "together."