JSFiddle - React, Tailwind, and code Playground

JavaScript

var array1 = ["playing cricket" , "Reading Books" , "Flying"];
var array2 = ["cricket" , "Books"];
var arra3 =[];

for(i=0;i<array2.length;i++){
  for(j=0;j<array1.length;j++){
   if(array1[j].toLowerCase().indexOf(array2[i].toLowerCase())!=-1){
    arra3.push(array1[i]);
   }
  }
}

console.log(arra3)