Eu - Good. E.g. Euthanasia - Eu - Good, Death - thanatos Good Death.
Yes, spec is a prefix. See the related question for a list of words beginning with this prefix.
contraband contradict
The prefix eu- means good, well, normal, happy, pleasing. Also, pleasant and improvement. Derived from the Greek word meaning one's lot or fortune.
November, novelty, novel, novella, nova, novice
There is no such prefix. You appear to have a misunderstanding of what prefixes are. They are supplements to the beginning of existing words that modify their meaning. For example, formed and preformed
The prefix "eu-" means good, well, or advantageous. It is commonly used in words to indicate something positive or beneficial.
Some words that begin with the prefix "eu" include eucalyptus, eulogy, eulogize, eureka.
You are a susidiot
DecadeDecathlonDecimalDecatronDecahedron
Words starting with pre - (prefix):precursorprejudgepreludepremedpremixprenatalprenuptialpresortpresumepreteenWords beginning with pre, (not a prefix):preachpreenpresspressure
Yes, spec is a prefix. See the related question for a list of words beginning with this prefix.
eu = good
Pentmymom
No, "arti" is not a prefix. It is not commonly used at the beginning of words to change their meaning.
contraband contradict
The prefix for inadequate is in-. The prefix in- means not.
tripodtricycletrialtripletriathlontriangletriptricktricycle, triceratops, triathalon, tripod.