Clue: Study (up on)

Answer: BONE

Length: 4

---

Similar Clues:

• Attract upward-looking onlookers (SOAR with 4 letters)
• Brief online updates (TWEETS with 6 letters)
• Online status update limited to 140 characters (TWEET with 5 letters)
• Online update format, for short (RSS with 3 letters)
• "So, onward and upward to the ___ of free enterprise" (TOWERINGHEIGHTS with 15 letters)
• Onetime tribe of the Upper Midwest (SAC with 3 letters)
• Magazine with the recurring heading "Onward and Upward With the Arts," with "The" (NEWYORKER with 9 letters)
• Onomastics study (NAMES with 5 letters)
• Onomastician's study (NAMES with 5 letters)
• On oneÂ's own (ALONE with 5 letters)