burrow. bury. cache. camouflage. cloak. couch. cover. cover up. disguise. dissemble. ditch. duck. ensconce. enshroud. harbor. hole up. keep secret. lie low. lurk. mask. masquerade. obscure. plant. screen. secrete. shelter.  skulk. slink. sneak. stash. stow. tuck away. veil. wrap