The longest English word that starts with 'l' and ends with 'd' is "linguistically." It has 12 letters and pertains to language or linguistics. However, if you're specifically looking for a word that fits the criteria and is a common usage term, "languished" is another option, though it's shorter at 10 letters.
SMILER - There is a mile between the s and the r!
watermelons
transformationalist
No, there is no English word that starts with "q" and ends with "j."
No, there is no word in the English language that starts and ends with the letter "x."
One example of a long word that starts with "s" and ends with "r" is "supercomputer."
No word in the English language begins with sh and ends with cy.
I do not believe that such a word exists in English.
Underground
The happiest word in the English language that starts and ends with "S"= "smiles". For Spanish, it's "sonrisas", which means the same thing.
14-letter wordsbourgeoisified, bureaucratised, bureaucratized, butterfingered
If this is Ryan then you need to keep looking, it is not this easy to fool Mr. Christoph