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persuade
persuader
persuasion
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pert
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Perth and Kinross
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pervade

per·vade [ pər váyd ] (past and past participle per·vad·ed, present participle per·vad·ing, 3rd person present singular per·vades)


transitive verb 
Definition:
 
spread throughout something: to spread through or be present throughout something

[Mid-17th century. < Latin pervadere "go throughout" < vadere "go"]

per·vad·er noun
per·va·sion [ pər váyzh'n ] noun
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