-ic

(Greek: a suffix; pertaining to; of the nature of, like; in chemistry, it denotes a higher valence of the element than is expressed by -ous)

heterotoxic
Poisonous only to species that are different from the organism producing the poison.
hieratic (adjective)
1. A cursive form of Egyptian hieroglyphics; used especially the priests.
2. Adhering to fixed types or methods; highly restrained and formal: "The more hieratic sculptures leave the viewer curiously unmoved."
3. Written or belonging to a cursive form of ancient Egyptian writing: "Hieratic Egyptian script."
4. Associated with the priesthood or priests; that is, sacred, characterizing or used by priests: "Hieratic gestures."

"In some countries, priests form a hieratic group with extensive political power, and even, sometimes, forming a hierocracy."

5. Fixed, formal, and stylized in a traditional way, e.g. as ancient Egyptian art is.
6. Of or associated with sacred people or offices; sacerdotal.
7. Etymology: from Latin hieraticus, "priestly"; borrowed from Greek hieratikos, "priestly" and ultimately from hieros, "holy".
hierocratic (adjective), more hierocratic, most hierocratic
Descriptive term for a government made up of ruling priests: Mr. Big read a book about a hierocratic country that was led by religious dignitaries or ecclesiastics.
hieroglyphic (adjective), more hieroglyphic, most hieroglyphic
1. Pertaining to characters or modes of writing used by the ancient Egyptians (or by transference, other peoples), consisting of figures of objects directly or figuratively representing words (picture-writing), or, in certain circumstances, syllables or letters.
2. A picture relating to a word or notion; especially, one symbolizing something which it does not directly figure (like many of the Egyptian hieroglyphs); hence, a figure, device, or sign, having some hidden meaning; a secret or enigmatical symbol, an emblem; a hieroglyph.
3. Of the nature of an Egyptian or similar hieroglyph; written in or consisting of hieroglyphics.
4. Of the nature of a hieroglyph; having a hidden meaning; symbolical, emblematic.
5. Containing or inscribed with hieroglyphs.
hippiatric
Relating to the treatment of diseases of horses.
histoclastic
1. Pertaining to the breakdown or resorption of tissue by cells.
2. The ability to break down tissues, said of certain cells.
historic (adjective), more historic, most historic
1. Having importance in or influence on past events.
2. Belonging to the past; of what is important or famous in the past.

Historic and historicall have different applications, although their senses overlap.

Historic refers to what is important in history: "the historic first voyage to the moon". It is also refers to what is famous or interesting because of its association with certain people or special events in history: "a historic house".

Historical refers to whatever existed in the past, whether regarded as important or not: "a minor historical character". Historical also refers to anything concerned with history or the study of the past: "a historical novel; historical discoveries".

While these distinctions are useful, these words are often used interchangeably, as in historic times or historical times.

homolographic
A reference to the study or presentation of proportions.
homophonic
1. In linguistics, sharing the same sound.
2. In music, relating to parts of music in which they move together in simple harmonization.
horrific (adjective), more horrific, most horrific
1. Grossly offensive to decency or morality: The talk-show host was making horrific comments to callers who disagreed with his political positions.
2. Very bad and appalling: There were horrific accidents on the highway that resulted in at least ten people being killed.

The report detailed the horrific conditions of the spring snowfall and the freezing of the budding peaches, apples, cherries, grapes, pecans, etc.

hydraulic
1. Operated by, moved by, or employing water or other liquids in motion.
2. Operated by the pressure created by forcing water, oil, or another liquid through a comparatively narrow pipe or orifice.
3. Of or pertaining to water or other liquids in motion.
4. A reference to hydraulics.
5. Hardening under water; such as, a cement.
hydrocarpic
Aquatic plants having flowers which are fertilized out of the water but submerged for development of fruit.
hydroelectric
The conversion of water power into electric power.
hydrogalvanic
A reference to galvanic stimulation to a portion of the body immersed in water.
hydrographic
1. The scientific description and analysis of the physical conditions, boundaries, flow, and related characteristics of the earth's surface waters.
2. The mapping of bodies of water.