The best replacement for shoulder is shoulders.

The best alternatives to shoulder are rated as following:
★★★★★  shoulders
★★★★★  leg of lamb
★★★★  pork loin
★★★  pork butt
★★★  dislocated shoulder
★★★  rump roast
★★★  rotator cuff tear
★★  rotator cuff injury
★★  hip holster
★★  chamfer
★★  shoulder girdle
★★  leg ham
★★  leg of pork
★★  chuck roast
★★  neck
★★  torn rotator cuff
★  ham
★  separated shoulder
★  adhesive capsulitis
★  hip
★  arm
★  reverse total shoulder
★  hip dislocation
★  leg
★  impingement
★  lying from you
★  back day
★  picnic
★  pork but
★  loin
★  boston butt
★  bursitis
★  pork roast
  impingement syndrome
  pork butt roast
  pork tenderloin
  tendinitis
  lying from you lyrics

Your alternative for shoulder is not listed? Suggest!
Speaking about shoulder, one probably shouldn't forget about deep breath.

Other search terms related to shoulder and their ratings are:
★★★★★ deep breath
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Google Trends

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shoulder
shoulders
leg of lamb