Noel
The first four-letter word that comes before "yolk" is "egg." The term "eggyolk" is commonly used to refer to the yellow part of an egg.
nose
A letter/word which comes before a noun.
The first seven-letter word that comes before "berth" in the dictionary is "berated."
Milk.
hoi
hail comes to mind
Precedes.
preschool
The first five-letter word that comes before "hint" in the dictionary is "hinge." In alphabetical order, "hinge" precedes "hint," as the second letter 'i' is the same, but 'n' in "hinge" comes before 't' in "hint."
The second letter is P. It comes right after the i, and before the a.
low, gym, art