What's the difference between sheeling and sheiling?

Sheeling

Definition:

(n.) A hut or small cottage in an expessed or a retired place (as on a mountain or at the seaside) such as is used by shepherds, fishermen, sportsmen, etc.; a summer cottage; also, a shed.

Example Sentences:

(1) The Sheel Motel by the station is one of the area's classics.
(2) The epithelium is attached to the sheel by way of an adhesive substance containing proteins and mucopolysaccharides.
(3) Preliminary analysis shows that the spectra may be interpreted as a super-position of modulations arising from the nearest neighbor nitrogen and pyrrole alpha-carbon coordination sheels of the metal atoms.
(4) Two forms of particles were seen: double-sheeled particles (70 to 75 nm in diameter) resembling those of reovirus with a sharper outline, and single-shelled particles (60 nm in diameter) with obvious capsomer structure and resembling those of orbiviruses.
(5) Pre-dietary calcium levels (0.5 and 1.5%) resulted in a significant strain X diet interaction for weight gain up to commencement of lay but did not influence production, feed intake, egg size or sheel quality.

Definition:

Example Sentences:

(1) Thank you very much for giving me the thanks through … your appearance and all the things you have said.” The degree presented to Yunupingu is the highest given by the university and is awarded “infrequently”, university provost Margaret Sheil said.