What means abandon and rhymes with another word which means the same as tandem

Random .I say random because tandem and random rhyme.

Tandem-one following or behind the other

abandon-to leave completely and finally

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

its confident and professional