High-blooded face: red-faced, angry
"Jewel's eyes look like pale wood in his high-blooded face." (As I Lay Dying, p. 17).

High brown: White racist vocabulary in the South "graded" African-American women according to how light or dark their skin was, with "light" as praise and "dark" as derogatory; hence "high brown" is a racist and misogynist left-handed compliment; see, later yaller
"…she was what is known as a high brown and it was known that there were two or three men in the town who would object to her doing whatever it was which she considered contrary to God and nature…" (Light in August, p. 72).

Hiram: contemptuous term for a farmer or yokel
"You better go back to the farm, Hiram" (Light in August, p. 183).

Hishing: example of an onomatopoetic word that imitates the sound of the action it references
"Through the wall I heard Shreve's bed-springs and then his slippers on the floor hishing" (The Sound and the Fury, p. 77).

Hit: as in "it"
"Hit hadn't happened then" (As I Lay Dying, p. 56).

Hitch-rein: the connection between a wagon or a buggy and the horse
"I run this way and that as they [the horses] rear and jerk at the hitch-rein, striking" (As I Lay Dying, p. 55).

Holp: as in "help"
"But you couldn't a holp it" (As I Lay Dying, p. 90).

Hophead: drug addict
"… if I married a wife she'd probably turn out to be a hophead or something. That's all we lack in this family, I says" (The Sound and the Fury, p. 247).

Horse-physic: medicine for horses (Doc Peabody is unavailable, so Jewel brings Uncle Billy Varner, a veterinarian, to treat Cash's leg.)
"…Uncle Billy had come back with him, with his satchel of horse-physic" (As I Lay Dying, p. 185).

Horsetrader: a shrewd bargainer
"To the people of the town it sounded like a horsetrader's glee over an advantageous trade" (Light in August, p. 61).

Hyer: as in "here"
"'I reckon I'll take this hyer one,' he says" (The Sound and the Fury, p. 195).

Ice floes: flat expanses of floating ice or segments that have separated from such an ice mass
"His mother came down in a hired auto, in a fur suit like an artic explorer's, and saw him off in a twenty-five mile wind and a steady drove of ice floes like a herd of dirty sheep" (The Sound and the Fury, p. 91).

Illumined: brought to light, made understandable
"She is looking out the window, at Cash stooping steadily at the board in the failing light, laboring on toward darkness and into it as though the stroking of the saw illumined its own motion, board and saw engendered" (As I Lay Dying, p. 48).

Immolation: killing as a sacrifice
"Two tears slid down her fallen cheeks, in and out of the myriad coruscations of immolation and abnegation and time" (The Sound and the Fury, p. 295).

"A spiritual privacy so long intact that its own instinct for preservation had immolated it…" (Light in August, p. 234).

Immured: confined, imprisoned
"…a meager figure, hunched over upon itself like that of one long immured in striving with the implacable earth…" (The Sound and the Fury, p. 294).

Implacable: impossible to appease
"That's the trouble with this country: everything, weather, hangs on too long. Like our rivers, our land: opaque, slow, violent; shaping and creating the life of man in its implacable and brooding image" (As I Lay Dying, p. 45).

"… a meager figure, hunched over upon itself like that of one long immured in striving with the implacable earth…" (The Sound and the Fury, p. 294). Indorsement: as in "endorsement," or signature
"I know they have Mother's indorsement on them" (The Sound and the Fury, p. 208).

Ineffable: incapable of being expressed; indescribable
"Ben quit whimpering. He sat in the middle of the seat, holding the repaired flower upright in his fist, his eyes serene and ineffable" (The Sound and the Fury, p. 319).

Interurban: early electric trolley car
"I asked, but he didn't know whether another one would leave before noon or not because you'd think that interurbans" (The Sound and the Fury, p. 104).

Inviolate: not violated or profaned
"… after a long time they cannot distinguish even bones upon the lonely and inviolate sand" (The Sound and the Fury, p. 80).

Irascible: prone to outbursts of temper
"She is still there, the gray woman with a cold, harsh, irascible face…" (Light in August, p. 15).

Irremediable: incurable
"She looks at pa; all her failing life appears to drain into her eyes, urgent, irremediable" (As I Lay Dying, p. 47).

Ise: as in "I is," or I am
"All I got to do is say Ise here" (The Sound and the Fury, p. 58).