The word 'nippy' is one possibility.
A four-letter word that means "hint for a puzzle" is probably "clue." Check if the T is correct.
Subcontracting is a 14 letter word. It begins with the letter S and the 2nd letter is U.
annualansweranywayencaseengageenergyenlistensuedentailentireincomeinborninbredingestinvokeinsaneinsultsneakyunkindunfairunlikeunseat
or
bachelorsbacktracknationalsnavigatedlabourersdashboard
bananas
"Insatiable"
expense
alterblackblankblazebleakbloodbloomblurtcleanelectflockglassplanesleet
remarks
deceive
empty