The best replacement for newborn is infant.

The best alternatives to newborn are rated as following:
★★★★★  infant
★★  size 1 diapers
★★  0-3 months
★★  infant formula
★  new born
★  toddler
★  newborn
★  gentlease
★  newly born
★  infant enfamil
  similac advance
  neonate
  0-3
  convertible car seat
  predalien
  enfamil infant
  pampers
  enfamil gentlease
  similac
  tiny baby
  lipil
  erythroblastosis fetalis
  pampers swaddlers
  similac sensitive
  kitten
  pampers newborn
  infants
  0-3 months clothes

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

Other search terms related to newborn and their ratings are:
★★★★★ hiccups
soft spot on head
You have in mind a companion for newborn and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of newborn in all years. Click on graph for more.
newborn
infant
size 1 diapers