2 Words to use with considerable

IT IS SOMETIMES A MATTER OF CONSIDERABLE TROUBLE to induce the blundering calfwhose instinct only teaches him to suck, and that he will do at anything and with anythingacquire the knowledge of imbibition, that for the first few days it is often necessary to fill a bottle with milk, and, opening his mouth, pour the contents down his throat.

SO AS TO MAKE A FOUNDATION FOR GRASS AND EARTH UNTIL THE SPRING IS FILLED TO THE TOP AND THE SURFACE IS COVERED WITH A LIVING TURF STRONG ENOUGH TO BEAR A CONSIDERABLE WEIGHT.]

2 Words to use with  considerable