Alphabeticalness

The ABC's alphabeticalness doubtless had some attraction for Chaucer, independent of its subject.

The alphabeticalness is important because it's simple and because the words a poet writes are things made of alphabet elements where vowels are the sounding spaces.

There seems to be even a fourth reason for not adhering to strict alphabeticalness: 9.4. Keep combinations that are closely related in meaning together by entering them in the entry for the first element Thus, e.g. the OALD says in[…]