The best replacement for synovitis is tenosynovitis.

The best alternatives to synovitis are rated as following:
★★★★★  tenosynovitis
★★★★  bursitis
★★★  septic arthritis
★★★  arthritis
★★  capsulitis
★  osteomyelitis
  effusion
  septic knee

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

Other search terms related to synovitis and their ratings are:
★★★★★ effusion
★★★★ joint effusion
★★ osteoarthritis
You have in mind a companion for synovitis and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of synovitis in all years. Click on graph for more.
synovitis
tenosynovitis
bursitis