Bellybuttons would be the longest word I can think of beginning with a 'b' and ending in an 's'.
firetruck
Acetylcholinesterase is a 20 letter word. It is a chemical compound.
The longest word starting with E is Electroencephalographically.
forethoughtfulness
There are only two letters starting with L that I can think of; the Letter of the alphabet, which is "L" and the Word "Letter." As "Letter" is longer than "L" I can only assume that the word "Letter" is the longest letter starting with L. lymphoblastic leukemia
firetruck
Acetylcholinesterase is a 20 letter word. It is a chemical compound.
Youthfulness is the longest word starting with the letter Y. It contains twelve letters.
The longest word starting with E is Electroencephalographically.
forethoughtfulness
Biotechnological
There are only two letters starting with L that I can think of; the Letter of the alphabet, which is "L" and the Word "Letter." As "Letter" is longer than "L" I can only assume that the word "Letter" is the longest letter starting with L. lymphoblastic leukemia
the
AbbaActaAghaAgmaAlbaAlfaAlgaAlmaAmiaAngaAnnaAnoaAnsaAntaAquaAreaAriaAseaAtmaAura
Anna
amaze
Alikeabovealone