look after vs squad

look after

verb
  • To have as one's business; to manage, be responsible for. 

  • To follow with the eyes; to look in the direction of (someone or something departing). 

  • To care for; to keep safe. 

  • To seek out, to look for. 

squad

verb
  • To act as part of, or on behalf of, a squad. 

noun
  • Sloppy mud. 

  • One's friend group, taken collectively; one's peeps. 

  • A unit of tactical military personnel, or of police officers, usually of about ten members. 

  • A group of potential players from whom a starting team and substitutes are chosen. 

  • A collective noun for a group of squid. 

How often have the words look after and squad occurred in a corpus of books? (source: Google Ngram Viewer )