allow vs clean up

allow

verb
  • To grant, give, admit, accord, afford, or yield; to let one have. 

  • To not bar or obstruct. 

  • To render physically possible. 

  • To acknowledge; to accept as true; to concede; to accede to an opinion. 

  • To grant license to; to permit; to consent to. 

  • To grant (something) as a deduction or an addition; especially to abate or deduct. 

  • To take into account by making an allowance. 

  • To decide (a request) in favour of the party who raised it; to grant victory to a party regarding (a request). 

clean up

verb
  • To make an area or a thing clean; to pick up a mess; to tidy. 

  • To make a large profit; to win by a large margin, or to win a large amount, especially in gambling. Also clean house. 

  • To intervene in a fight between two players at low health and easily kill both of them or the winner. 

  • To become clean, handsome, smart in appearance, e.g. for a special occasion, especially when it is out of character to be seen as such. 

How often have the words allow and clean up occurred in a corpus of books? (source: Google Ngram Viewer )