The term 'close behind' can be represented by several crossword solutions, including 'tailing' (7 letters), 'atheel' (6 letters), 'toheel' (6 letters), 'ononestail' (10 letters), 'inthewakeof' (11 letters), 'hotonthetrail' (13 letters) and 'hotontheheelsof' (15 letters). Each of these words describes a situation in which one person or thing is following closely behind another. 'Tailing' implies that the follower is tracking the leader, while 'atheel' and 'toheel' suggest that the follower is obediently staying close to the leader. 'Ononestail' implies that the follower is chasing the leader, while 'inthewakeof' suggests that the follower is trailing behind the leader. 'Hotonthetrail' and 'hotontheheelsof' both imply that the follower is actively pursuing the leader.