bark ? using the instruction given in the clue, it becomes 'vocalisation of friend ship' and bark is the sound that a man's best friend makes and also an alternative spelling of barque, the sailing vessel
The 'B' is definitely right, (from an anagram of beer mugs - submerge) but I am unable to confirm the 'R' or come up with anything other than BOND.....
using the instruction given in the clue, it becomes 'vocalisation of friend ship'
and bark is the sound that a man's best friend makes and also an alternative spelling of barque, the sailing vessel