Nouns ending in -er, -or, and -ar. Nouns ending in -er. This ending is the most common. It's usually added to verbs to make nouns with the meaning âa person or thing that does somethingâ, for example: builder, farmer, sprinkler, or beeper. The -er ending can also be used to form nouns meaning: âa person or thing that has a particular quality or formâ, for example:double-decker, two-wheeler, skyscraper. âa person belonging to a particular place or groupâ, e.g. foreigner, prisoner.
Typical costs: 1  Prices for underground sprinkler systems vary considerably by region and climate, but for an average 2,500-square-foot (50-x-50-foot) front yard, it's about $1,500-$2,500, while a sprinkler system for 5,000 square feet (front and back yards) costs about$2,500-$3,500.
Overview of sprinkler system costs Cost factors of a sprinkler system. The overall expense of installing a inground lawn sprinkler can be factored down into 3 primary costs variables: Materials. The cost of all sprinkler parts and connections â also includes sprinkler timers. Time & Labor.