What's the difference between crackle and crankle?

Crackle

Definition:

(v. i.) To make slight cracks; to make small, sharp, sudden noises, rapidly or frequently repeated; to crepitate; as, burning thorns crackle.
(n.) The noise of slight and frequent cracks or reports; a crackling.
(n.) A kind of crackling sound or r/le, heard in some abnormal states of the lungs; as, dry crackle; moist crackle.
(n.) A condition produced in certain porcelain, fine earthenware, or glass, in which the glaze or enamel appears to be cracked in all directions, making a sort of reticulated surface; as, Chinese crackle; Bohemian crackle.

Example Sentences:

(1) The duration of the individual crackles became shorter and the timing of the crackles shifted toward the end of inspiration.
(2) Reasons for the discrepancies include the fact that there are no absolute criteria for crackles and that rapidly occurring crackles are difficult to count by ear.
(3) When end-expiratory Ptp was set constant between 15 and 20 cmH2O and end-expiratory Ptp was gradually reduced from 5 cmH2O to -15 or -20 cmH2O in a breath-by-breath manner, crackles were produced in the cycles in which end-expiratory Ptp fell below -1 to 1 cmH2O.
(4) There is the sound of engines hissing and crackling, which have been mixed to seem as near to the ear as the camera was to the cars; there is a mostly unnoticeable rustle of leaves in the trees; periodically, so faintly that almost no one would register it consciously, there is the sound of a car rolling through an intersection a block or two over, off camera; a dog barks somewhere far away.
(5) With more echoes of Scotland, in both places, people on the ground say that local debate is crackling with energy.
(6) The exam hall crackles with a hushed excitement as the papers for our last ever exam are taken in.
(7) In addition, this group of patients showed a significant correlation between the number of expiratory crackles and the reduction in predicted transfer factor, suggesting that expiratory crackles may be a clinical indicator of the severity of disease in fibrosing alveolitis.
(8) I arrive at my hotel, a friendly, functional place with a crackling fire and big sofas.
(9) In workers exposed to asbestos, crackles correlated with exposure.
(10) The other passengers aren't much trouble, beyond the occasional loud phone call or crackling headphones.
(11) Presenting findings included crackles, haemoptysis, and hypotension.
(12) It was a phenomenal atmosphere, it was absolutely crackling.
(13) These cases involved elderly patients with progressive dyspnea and nonproductive cough, bilateral dry crackling rales, bilateral interstitial infiltrates evident on a chest roentgenogram, and restrictive findings on pulmonary function testing.
(14) It sounds like you're at sea, I say, between the beeps and crackles.
(15) This filter extracts an impulsive signal, which is a small-width wave, and its succeeding waves; such wave form is typical of that of crackles.
(16) The crowd threw their arms in the air as one, and drowned out the crackle of fireworks overhead with their screams of approval.
(17) Crackles are commonly used in clinical decision-making, and in certain diseases the number of crackles reflects the severity of the illness.
(18) Crackling lung sounds are associated with many pulmonary diseases.
(19) Never, ever overtly refer to the electricity crackling between the two of you.
(20) The method is validated by studying the crackles of 20 adult patients; 10 with fibrosing alveolitis (FA) and 10 with bronchiectasis (BE).