Take care of the sense, and the sounds will take care of themselves.

Though it cannot be denied, that there is still some difference in our orthography, owing to the affectation of writers and caprice of printers; yet it is observable, that, since the publication of Dr Johnson's Dictionary, and particularly the last edition, less variation is found; and … it is much for the credit of a language that its orthography should be fixed and immutable.

In making [a] choice, regard is had chiefly to the preponderance of modern usage, when this is distinctly marked; when usage is more or less equally divided, considerations of etymological or phonetic propriety, of general analogy with similar words, or of practical convenience are taken into account; but, in many cases, it is not implied that the form actually chosen is intrinsically better than others which are appended to it.