To solve this synonym problem you need to rely on your knowledge of Greek prefixes. The prefix ante- means before, so an "antecedent" is something that comes before, also known as a "precursor." To provide further help, a "lamentation" is an expression of mourning; a "frontrunner" is a favorite in a competition; an "outlier" is unusual, outside of the normal reach of data; a "node" is a regional center of human activity.

The Greek prefix hemo- means blood. So, a "hemorrhage" is a bleed, to "hemorrhage" is to bleed profusely, to bleed a lot. Additionally, "weep" means cry about; "mourn" means express sorrow for the loss of; to "expire" means to run out, to stop being usable; "replicate" means copy, reproduce.

The Greek prefix icono- means image, as in "iconography" which refers to images used in works of art or traditional settings. So, an "iconoclast" is someone who attacks the image of a treasured institution, a critic, a heretic. Additionally, a "trailblazer" is a pioneer; a "nomad" is someone who wanders from place to place and does not live anywhere; an "itinerant" is a wanderer, a nomad; a "custodian" is a caretaker, someone who looks after something for someone else.

The prefix eu- in Greek means good, fine. So the word "euphoria" means a state of feeling very good, deep happiness.

The prefix "pseudo_-_" means fake or artificial, so it makes sense that a “pseudonym” is a fake name, or an “alias.” A “grievance” is an injustice you feel has been done to you or a problem you might have with something; “fusion” means blend or combination; “diffidence” is lack of self-confidence; and a “prototype” is a first model of something.

The Greek prefix soph- means wise, as in "philosopher" or "sophisticated;" however, in "sophist" it has a contrary meaning. A "sophist" is a misleading argument, an argument that appears wise but is in fact not. This is closest in meaning to "fallacy," which means an incorrect argument or assumption. Additionally, "epicurean" means hedonist, a lover of pleasure and indulgence; a "savant" is a learned person, particularly someone who seems to have unusually intense expertise in one area; an "artisan" is a craftsman, a skilled-worker; a "forerunner" is something or someone that comes before the development or emergence of something or someone else, a precursor.

The Greek prefix xer- means dry, so "xeric" means containing very little moisture, dry and arid. "Wet" is an antonym to "xeric."

The Greek prefix ergo- means work, as in "energy" or the ability to do work. So, "ergonomic" means designed to be as comfortable and user-friendly as possible for work. Additionally, "egregious" means shocking, appalling, disgraceful; "capricious" means inconsistent, subject to sudden changes in mood or desire; "resplendent" means magnificent, splendid, attractive and imposing.

The Greek prefix necro- means death, black, as in "necrosis" which is the death of skin or tissue. So, a "necromancer" means practitioner of dark magic. This is closest in meaning to "witch." Additionally, a "heathen" is a non-believer within a religion; a "cretin" is someone lacking morals or intellect, someone deserving of contempt; a "conformist" is someone who follows the generally accepted behavior of a society or group of people.

The Greek prefix crani- means skull, brain, as in "craniology" which is the study of the composition of the skull (it is worth noting that the suffix -ology means study of, as in "biology" or the study of life). So, "cranium" means skull or less commonly brain. Additionally, a "tendon" is a fiber that connects muscle to bone; an "artery" is a vessel that transports blood from the heart to the rest of the body.