Start, Onset
Begin
Adjectives rarely have the ability to begin with the word one....I think you got adjectives confused with "Adverbs"....
linklostlowladloadlimplogloftlonelightlumplurchlacklongleglolllastlostliftlug
One word that begins with the suffix "full" is "beautiful."
Tell is one word that you can use to say give an answer.
One word is 'route'. It can be shortened to 'Rt.'.
penultimate is one...
One such word is hammerhead.
sort
Yes
Startle and stun are synonyms for astonish. They begin with the letters ST.
Single