A recent post about phrases like ‘my homework needs done’
makes me wonder if there’s a word, analogous to ‘elision’,
for excision of a word or words.

Ellipsis?

In the following link, this construction is referred to as "need + V-en":

https://ygdp.yale.edu/phenomena/needs-washed

It is a word without support staff: no adjective or verb has been derived from it.

It would seem reasonable to use cenacular as an adjective. (There is apparently a Latin adjective cenacularius.)

bulletin

From French and Italian.

From Latin bulla, a round object (compare ball and bullet), via the senses 'voting ball' > 'voting paper' > 'official document' > 'official news report'. Hence also related to ballot and (papal) bull.

I have been looking at Dr. Goodword's alphabetical list of eponyms , and I have the following suggestions for corrections and additional dates. I have underlined these. Ampere - [garbled text in RH column] Bacitracin - Margaret Tracy (1936- 1994 ) Borrelia - [garbled text in RH column] Boysenberry -...

I wondered about this too. See my 'Grammatical gender' thread of August 2022 in the Languages of the World forum, where it was discussed.

chrysalis

The pupa of a butterfly or moth, or the pupa's casing. (Plural: chrysalises or chrysalides.)

From Latin and Greek.

and misspelled revlnt.

Is this a misspelling of a misspelling?

Palindrome obviously needs a synonym that in itself is palindromic!

A palindromic phrase could be called a wordrow.

relevant

From French relevant, 'helpful', originally 'lightening', from Latin relevare, to lighten. Related to relieve.

Speaking in an actual language, presumably unknown to the speaker, can be called either xenolalia or xenoglossia . Or xenoglossy , which has been featured as a Good Word. Regarding sign language, there is semiotics , which is the study of 'signs' in a broad sense, though not specifically sign langu...

Whopping, spanking (1660s), bouncing (1570s), cracking, thumping (1570s), ripping, smashing. I wonder how many more are hiding out there. Anyone with a penchant for lists care to jump in?

Whacking, riveting, stonking, blistering...

/ pronounce it the old fashioned way.

Me too. Never heard it pronounced with the accent on the first syllable. Maybe it's a US/UK difference.

https://www.etymonline.com/search?q=cannoli

from Italian cannoli, plural of cannola, literally "small tube,"

According to Wiktionary, the singular is either cannolo (Italian) or cannolu (Sicilian).

A World of Woe I looked at the papers on Monday And saw they were full of bad news. There was chaos and carnage in Gaza And strife between Muslims and Jews. I read of Hamas and Hezbollah, Of Houthis attacking our ships, Of Lebanon, Egypt and Yemen, And autocrats licking their lips. I looked at the ...

prestige

From Latin via French.

It originally meant an illusion, then an illusion of excellence, and finally a reputation for (genuine) excellence.