χρεοφιλετῶν [3 verses](noun pl masc gen) "Debtors" is from chreopheiletes, which means "debtor" or "under bond". It means literally "needy debtor". "Debt" is from chreos(χραύω), which means "needing," and "lacking."    "Debtor" is opheiletes, which means "a debtor", "a person who owes a debt" or "one who is under a bond."  This is the standard word is from the standard word for debtor. -- The word translated as "debtor" means "needy debtor". 

χρηστὸς [3 verses](adj sg masc nom) "Easy" is chrestos, which means "good," "useful," "good of its kind," and "serviceable;" of persons, "good," "kindly;" "honest," "worthy," in war, "valiant," "true;" of the gods, "propitious," "merciful," "bestowing health or wealth;" of a man, "strong," "able in body for sexual intercourse;" when used as a noun, "benefits," "kindnesses," "happy event," "prosperity," and "success.;" in a moral sense, it is the opposite of kakos, which means "bad" and "evil," but which is not the word usually translated as "evil" in the NT. For more on this topic, see this article.  -- The word translated as "better" means "useful," "good of its kind," "serviceable," referring to food "wholesome," referring to people,"good," "honest," "worthy," in war, "valiant," and "true."  in a moral sense, it is the opposite of kakos, which means "bad" and "evil," but which is not the word usually translated as "evil" in the NT. For more on this topic, see this article. Jesus only uses this word three times.

χρῄζετε [3 verses](verb 2nd pl pres ind act) "Have need" is from chrezo, which means "want", "lack", "have need of", "desire", "long for", "crave", "if one will", "if one chooses," and, as an adjective, "needy," and "poor."  - The verb translated as "need" means "want", "lack", "have need of", and "desire". Again, it is in the present tense. Notice how its meaning overlaps with the earlier verb translated as "seek after". The KJV doesn't reflect this, but it seems important. Both "need" and "want" combine its sense of a lack and a desire.

χριστοῦ; [13 verses](noun sg masc gen) "Christ" is christos, which means "to be rubbed with salve," "used as an ointment," and, of persons, "anointed." -- (UW) The word translated as "Christ" means "anointed." Our word is basically the English form of the Greek word, not a translation. In the NT, it is understood to mean the Messiah, Hebrew for "savior,"  following the anointing of the kings of Israel. The Jews of Jesus's era thought they understood who the Messiah was and the source of his authority. He was a descendant of David, and his authority came from David as "the anointed" king of the Jews. The Hebrew word for "anointed" is mashiach (מָשִׁיחַ), which is the source of our word, "messiah." (UW --Untranslated Word -- The word "christ" means "anointed." It is an untranslated Greek word adopted into English.  "Messiah" is an untranslated Hebrew word meaning "anointed" adopted into English.

Χρονίζει [3 verses](verb 3rd sg pres ind act) "Delayeth" is from chronizo, which means "to spend time," "last," "continue," "to take time," and "to linger."  - "Delayeth" is from a verb that means "to spend time," "last," "continue," "to take time," and "to linger." It is very close to how we say, "talking his time." It is an uncommon word, used only here and later in Matthew 25:5.