Combustible, inflammable, flammable, incendiary, inflammatory, which are not close synonyms, since they apply to different types of nouns, are comparable because they mean showing a tendency to catch or be set on fire.
Category: Synonyms
Combination vs Combine vs Party vs Bloc vs Faction vs Ring
Combination, combine, party, bloc, faction, ring denote a union, either of individuals or of organized interests, for mutual support in obtaining common political or private ends.
Colorless vs Uncolored vs Achromatic
Colorless, uncolored, achromatic mean without color. However, they are not freely interchangeable.
Color vs Hue vs Shade vs Tint vs Tinge vs Tone
Color, hue, shade, tint, tinge, tone are comparable when they mean a property or attribute of a visible thing that is recognizable only when rays of light fall upon the thing and that is distinct from properties (as shape or size) apparent in dusk.
Colonnade vs Arcade vs Arcature vs Portico vs Peristyle
Colonnade, arcade, arcature, portico, peristyle are discriminable as used in architecture.
Cold vs Cool vs Chilly vs Frigid vs Freezing vs Frosty vs Gelid vs Icy vs Glacial vs Arctic
Cold, cool, chilly, frigid, freezing, frosty, gelid, icy, glacial, arctic mean having a temperature below that which is normal or comfortable.
Coherence vs Cohesion
Coherence, cohesion mean the quality or character of a whole all of whose parts cohere or stick together.
Coax vs Cajole vs Wheedle vs Blandish
Coax, cajole, wheedle, blandish mean to use ingratiating art in persuading or attempting to persuade.
Coarse vs Vulgar vs Gross vs Obscene vs Ribald
Coarse, vulgar, gross, obscene, ribald are comparable when applied to persons, their language, or behavior and mean offensive to a person of good taste or moral principles.
Coagulate vs Congeal vs Set vs Curdle vs Clot vs Jelly vs Jell
Coagulate, congeal, set, curdle, clot, jelly, jell are comparable when meaning to form or cause to form a stiff mass that is solid or at least cohesive.
Clothes vs Clothing vs Dress vs Attire vs Apparel vs Raiment
Clothes, clothing, dress, attire, apparel, raiment are comparable when they denote a person's garments considered collectively.
Clothe vs Attire vs Dress vs Apparel vs Array vs Robe
Apparel and array are chiefly literary words used when there is the intent to connote splendor, elegance, or gorgeousness in what a person or thing is clothed with.