Several large search engines mix top 10 results for "places in the
world with substantial amounts of monks", with results for "monk
parakeets", "monk fish", "an interview with Julia Monk",
"starting a monk in WOW" and others.
Gatfol Ranking powerfully sorts web search returns.

Search results for "car rental" and "vehicle hire" should be
semantically identical without having to use keyword
additions, -replacements or -omissions to optimise returns.
Gatfol Synonyms optimises search automatically,
invisibly, in real time and inline.