The best replacement for sac is sack.

The best alternatives to sac are rated as following:
★★★★★  sack
★★★★  smf
★★  yolk sac
★★  scroobius pip
★★  fetal pole
★  vco
★  smf airport
★  duct
★  placenta
★  cyst
★  pip
★  ucc
★  love sac
★  gestational sac
★  rmv
★  cul-de-sac
  embryo
  lovesac
  scroobius
  cerritos
  twins
  comfy sac
  amniotic sac
  scroobious pip
  saddleback
  csac
  cozy sac
  blighted ovum

Your alternative for sac is not listed? Suggest!
Speaking about sac, one probably shouldn't forget about yolk.

Other search terms related to sac and their ratings are:
★★★★★ yolk
★★★★ fetal pole
★★★★ yolk sac
★★★ no fetal pole
★★★ no heartbeat
★★ heartbeat
★★ baby pregnancy
★★ embryo
★★ fetus
★★ fetal
blighted ovum
an embryo
You have in mind a companion for sac and it is not yet here? Propose!



Google Trends

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sac
sack
smf