Perhaps you should try some spelling variations:
proot » root (Expand Search), groot (Expand Search), froot (Expand Search)
uproot » uroot (Expand Search), ugroot (Expand Search), ufroot (Expand Search), uprooted (Expand Search)
prout » sprout (Expand Search), proust (Expand Search), grout (Expand Search)
prot » perot (Expand Search), proto (Expand Search), pro (Expand Search)
proost » provost (Expand Search), probst (Expand Search)
prost » prose (Expand Search), pros (Expand Search), frost (Expand Search)
henner » jenner (Expand Search), benner (Expand Search), henne (Expand Search)
wenner » winner (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (proof OR ((((proot OR prout) OR prot) OR uproot) OR (proost OR prost))) (henner OR wenner)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(proof OR ((((proot OR prout) OR prot) OR uproot) OR (proost OR prost))) (henner OR wenner)".
• Adding a wildcard symbol may retrieve word variants: (proof OR ((((proot OR prout) OR prot) OR uproot) OR (proost OR prost))) (henner OR wenner)*.