ache(n = noun.state) aching - a dull persistent (usually moderately intense) pain; Array
is a kind of hurting, pain
has particulars: odontalgia, toothache, backache, cephalalgia, head ache, headache, bellyache, gastralgia, stomach ache, stomachache, earache, otalgia
Derived forms verb ache₁, verb ache₃, adjective achy₁

1.  ache(v = verb.perception) hurt, suffer - feel physical pain; "Were you hurting after the accident?"
is one way to comprehend, perceive
Derived forms noun ache₁, noun aching₁
Sample sentences: Sam and Sue ache

2.  ache(v = verb.emotion) languish, pine, yearn, yen - have a desire for something or someone who is not present; "She ached for a cigarette"; "I am pining for my lover"
is one way to hanker, long, yearn
Sample sentences: Somebody ----s PP

3.  ache(v = verb.perception) hurt, smart - be the source of pain; Array
is one way to cause to be perceived
Derived forms noun ache₁, noun aching₁
Sample sentences: Did his feet ache?

   A name given to several species of plants; as, smallage, wild celery, parsley. Holland. [1913 Webster]

   Continued pain, as distinguished from sudden twinges, or spasmodic pain. “Such an ache in my bones.” Shak. [1913 Webster]
" Often used in composition, as, a headache, an earache, a toothache." [1913 Webster]

   To suffer pain; to have, or be in, pain, or in continued pain; to be distressed. Shak. [1913 Webster]
"The sins that in your conscience ache." [1913 Webster]

ache, n. & v.
--n.
1 a continuous or prolonged dull pain.
2 mental distress.
--v.intr.
1 suffer from or be the source of an ache (I ached all over; my left leg ached).
2 (foll. by to + infin.) desire greatly (we ached to be at home again).

Derivative:
achingly adv.

Etymology:
ME f. OE {aelig}ce, acan

N  mental suffering, pain, dolor, suffering, sufferance, ache, smart, passion, displeasure, dissatisfaction, discomfort, discomposure, disquiet, malaise, inquietude, uneasiness, vexation of spirit, taking, discontent, dejection, weariness, anhedonia, annoyance, irritation, worry, infliction, visitation, plague, bore, bother, botheration, stew, vexation, mortification, chagrin, esclandre, mauvais quart d'heur, care, anxiety, solicitude, trouble, trial, ordeal, fiery ordeal, shock, blow, cark, dole, fret, burden, load, concern, grief, sorrow, distress, affliction, woe, bitterness, heartache, carking cares, heavy heart, aching heart, bleeding heart, broken heart, heavy affliction, gnawing grief, unhappiness, infelicity, misery, tribulation, wretchedness, desolation, despair, extremity, prostration, depth of misery, nightmare, ephialtes, incubus, pang, anguish, agony, torture, torment, purgatory, hell upon earth, iron age, reign of terror, slough of despond, peck of troubles, ills that flesh is heir to, miseries of human life, unkindest cut of all, sufferer, victim, prey, martyr, object of compassion, wretch, shorn lamb, in pain, in a state of pain, full of pain, suffering, pained, afflicted, worried, displeased, aching, griped, sore, on the rack, in limbo, between hawk and buzzard, uncomfortable, uneasy, ill at ease, in a taking, in a way, disturbed, discontented, out of humor, weary, heavy laden, stricken, crushed, a prey to, victimized, ill-used, unfortunate, to be pitied, doomed, devoted, accursed, undone, lost, stranded, fey, unhappy, infelicitous, poor, wretched, miserable, woe-begone, cheerless, careworn, concerned, sorry, sorrowing, sorrowful, cut up, chagrined, horrified, horror-stricken, in grief, plunged in grief, a prey to grief, in tears, steeped to the lips in misery, heart-stricken, heart-broken, heart-scalded, broken-hearted, in despair, the iron entered into our soul, haeret lateri lethalis arundo, one's heart bleeding, down, thou climbing sorrow, mirth cannot move a soul in agony, nessun maggior dolere che ricordarsi del tempo fel, sorrow's crown of sorrow is remembering happier th, the Niobe of Nations.

VB  feel pain, suffer pain, experience pain, undergo pain, bear pain, endure pain, smart, ache, suffer, bleed, ail, be the victim of, labor under afflictions, bear the cross, quaff the bitter cup, have a bad time of it, fall on evil days, go hard with, come to grief, fall a sacrifice to, drain the cup of misery to the dregs, sup full of horrors, sit on thorns, be on pins and needles, wince, fret, chafe, worry oneself, be in a taking, fret and fume, take on, take to heart, cark, grieve, mourn, yearn, repine, pine, droop, languish, sink, give way, despair, break one's heart, weigh upon the heart.

N  physical pain, pain, suffering, sufferance, suffrance, bodily pain, physical pain, bodily suffering, physical suffering, body pain, mental suffering, dolour, ache, aching, smart, shoot, shooting, twinge, twitch, gripe, headache, stomach ache, heartburn, angina, angina pectoris, hurt, cut, sore, soreness, discomfort, malaise, cephalalgia, earache, gout, ischiagra, lumbago, neuralgia, odontalgia, otalgia, podagra, rheumatism, sciatica, tic douloureux, toothache, tormina, torticollis, spasm, cramp, nightmare, ephialtes, crick, stitch, thrill, convulsion, throe, throb, pang, colic, kink, sharp pain, piercing pain, throbbing pain, shooting pain, sting, gnawing pain, burning pain, excruciating pain, anguish, agony, torment, torture, rack, cruciation, crucifixion, martyrdom, toad under a harrow, vivisection, in pain, in a state of pain, pained, gouty, podagric, torminous, painful, aching, sore, raw, Special Sensation (1) Touch.

VB  feel pain, experience pain, suffer pain, undergo pain, suffer, ache, smart, bleed, tingle, shoot, twinge, twitch, lancinate, writhe, wince, make a wry face, sit on thorns, sit on pins and needles, give pain, inflict pain, lacerate, pain, hurt, chafe, sting, bite, gnaw, gripe, pinch, tweak, grate, gall, fret, prick, pierce, wring, convulse, torment, torture, rack, agonize, crucify, cruciate, excruciate, break on the wheel, put to the rack, flog, grate on the ear.

head ache, stomach ache