Note: Each archaic expression listed below was reviewed in The Oxford English Dictionary, 2nd ed. This list does not include all of the -th (e.g., stirreth, heweth, graveth, scattereth, mourneth, fadeth, languisheth) and -st (e.g., didst, sayest, dwellest, shouldest, camest) words that exist in Isaiah. The plus sign (+) in parentheses indicates that the archaic word is found more than once in the book of Isaiah.

afar (23:7+)

aforetime (52:4)

ancients (3:14+)

angle=hook (19:8)

art (14:8+)

astonied (52:14)

away with=endure (1:13+)

barren woman (54:1)

beforetime (41:26)

beget/begettest (39:7)

beseech (38:3+)

besieged (1:8+)

besom (14:23)

bestead (8:21)

bestowed (63:7)

betwixt (5:3)

bewail (16:9)

bewray (16:3)

bittern (14:23+)

bonnets (3:20)

brambles (34:13)

bullocks (65:25)

bulwarks (26:1)

bunch (30:6)

bursting (30:14)

carbuncles (54:12)

carelessly (47:8)

carriages (10:28+)

cauls (3:18)

chains (3:19+)

cherubims (37:16)

churl=knave (40:2+)

clave (48:21)

cockatrice (11:8+)

compass (50:11+)

consolations (66:11)

consumption (28:22+)

contemned (16:14)

convert (58:7)

cormorant (34:11)

corn (17:5+)

crisping pins (3:22)

cunning artificer (3:3)

cunning workman (40:20)

dandled (66:12)

dealt to (33:1+)

delectable (44:9)

digged (7:25)

dimness (8:22+)

disannul (14:27)

discomfited (31:8)

divorcement (50:1)

doctrine (28:9+)

doleful (13:21)

doth (1:3+)

dragons (13:22+)

dregs (51:17+)

dromedaries (60:6)

dryshod (11:15)

dunghill (25:10)

durable clothing (23:18)

ear the ground (30:24)

enchantments (47:9+)

eveningtide (17:14)

exactors (60:17)

extolled (52:13)

extortioner (16:4)

fainthearted (7:4)

fatness (17:4+)

feller (14:8)

firebrands (7:4)

fitches (28:26+)

flagons (22:24)

fret (8:21)

fro (24:20+)

frowardly (57:17)

fuller's (7:3+)

gin (8:14)

girdle (3:24+)

grievous (15:14+)

harvestman (17:5)

hast (2:6+)

hasten (5:19)

hasting (16:5)

hath (1:2+)

henceforth (52:1+)

hireling (16:14+)

hither (57:3)

ho (55:1)

hoar hairs (46:4)

impoverished (40:20)

laden (1:4)

latchet (5:27)

lay to (28:17+)

lees (25:6)

lest (6:10+)

let (29:7+)

lo (6:7+)

loaden (46:1)

lovingkindnesses (63:7)

mantles (3:22)

mart (23:3)

mattock (7:25)

mean (2:9+)

meat (62:8+)

merryhearted (24:7)

mine own (37:35)

mirth (24:8+)

mollified (1:6)

mufflers (3:19)

mustereth (13:4)

nettles (34:13)

nought (8:10+)

outmost (17:6)

overpast (26:20)

pining (38:12)

plaister (38:21)

plowman (28:24)

polluted (47:6+)

potsherd (45:9)

prognosticators (47:13)

putrifying (1:6)

reckoned (38:13)

rent (36:22+)

replenished (2:6+)

reproach (4:1+)

rereward (52:12+)

revilings (51:7)

rie (28:25)

rod (11:1+)

roe (13:14)

rottenness (5:24)

ruinous heaps (37:26)

rushes (35:7)

satyrs (13:21+)

scattered (18:2+)

shalt (1:18+)

shew (43:9+)

shittah (41:19)

silverlings (7:23)

sodering (41:7)

softly (8:6+)

soothsayers (2:6)

spoiler (16:4+)

stay upon God (3:1+)

stem of Jesse (11:1)

stock of a tree (44:19)

stomacher (3:24)

stouthearted (46:12)

stoutness (9:9)

straight (40:3+)

strange slips (17:10+)

stricken (1:5+)

substance (6:13+)

sucking child (11:8+)

sunder (27:9+)

Syrian language (36:11)

tablets (3:20)

tabret(s) (24:8+)

tacklings (33:23)

tarry (46:13)

teil tree (6:13)

thence (52:11+)

thereon (30:12+)

thereto (44:15)

thine (6:7+)

thither (7:25+)

tin (1:25)

tires (3:18)

tow (1:31+)

traffickers (23:8)

travaileth (13:8+)

trodden (14:9+)

twain (6:2)

unicorns (34:7)

uphold (41:10+)

utterly (2:18+)

uttermost (7:18+)

vail (25:7)

vexation (9:1+)

villany (32:6)

viol (5:12)

visage (52:14)

wast (12:1+)

waster (54:16)

wasting (59:7+)

wax (29:22+)

wayfaring (33:8+)

whence (30:6+)

whereas (37:21+)

whereto (55:11)

wherewith (28:12+)

whither (20:6)

wholly (22:1)

wilt (38:12+)

wimples (3:22)

winefat (63:2)

withal (30:14+)

wither (19:6+)

work (40:10+)

wroth (47:6+)

wrought (26:12+)