Perhaps you should try some spelling variations:
erate » erste, erase, urate, erale
erale » erable, orale, eral
ers » erst
erat » erst, eras, eral
prato » plato, pratt, prado
proto » photo

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((erate OR erale) OR ers) OR erat) OR (prato OR proto)) OR era).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((erate OR erale) or ers) or erat) or (prato or proto)) or era)".
• Adding a wildcard symbol may retrieve word variants: (((((erate OR erale) or ers) or erat) or (prato or proto)) or era)*.