The relationship has to do with the suffix "-ive." This suffix takes a verb (such as "divide" or "prohibit") and makes it an adjective describing something that does that verb. "Divisive" describes something that divides, and "prohibitive" describes something that prohibits.

The relationship has to do with the suffix "-able." This suffix takes a verb (like "enjoy" or "wash") and makes it into an adjective meaning able to be [verb]ed. "Enjoyable" means able to be enjoyed, and "washable" means able to be washed, so "wash" is the correct answer.

The relationship has to do with the suffix "-ous." This suffix takes a noun (like "glory" or "nerves") and makes an adjective meaning full of [noun]. Like "glorious" means full of glory, "acrimonious" means full of acrimony, or bitterness.

The relationship has to do with the suffix "-ful." This suffix takes a noun (like "shame" or "spite") and turns it into an adjective meaning characterized by [noun]. "Shameful" means characterized by shame and "spiteful" means characterized by spite.

The relationship has to do with the suffix "-less." This suffix takes a noun (like "speech" or "art") and turns it into an adjective meaning without [noun]. "Speechless" means without speech or unable to speak, and "artless" means without art, or in other words, naturally and naïvely, without any pretentiousness.

The relationship has to do with the suffix "-some." This suffix takes a noun (like "bother" or "quarrel") and makes it into an adjective meaning characterized by [noun]. "Bothersome" means characterized by bother, and "quarrelsome" means characterized by quarrels.

The relationship has to do with superlative adjectives. Normally, a superlative is formed by adding the suffix "-est" (e.g. "sleepy" and "sleepiest"). A superlative adjective means the most [adjective], so "sleepiest" means the most sleepy. "Best" is an exception; it is an irregular superlative that means the most good.

The suffix "-ologist" means someone who studies and the prefix "anthro-" means related to humans and human society, so an “anthropologist” is someone who studies human societies. To solve this analogy, you have to figure out what a “zoologist” studies, and since the prefix "zoo-" means related to animals, a “zoologist” is someone who studies animals and "animals" is the correct answer.

The suffix "-phobia" means fear of and the prefix "hydro-" means related to water, so "hydrophobia" is the fear of water. To solve this analogy, you need to determine of what “heliophobia” is the fear. The prefix ­"helio-" means related to the sun or to sunlight, so “heliophobia” is the fear of sunlight.

The English word root "dont" or "dent" means having to do with teeth. An “orthodontist” is a type of doctor that corrects problems with teeth, much like a dentist. The word fragment "ped" usually means related to feet when used as a suffix, but as a prefix it is often used to mean related to children, as in “pediatrician,” which means doctor who specializes in treating children,or “pedagogue,” which means teacher of children.