Because they're are different words all together.Answer:The difference between the suffix -ist and the suffix -er is based on the origin of the word (where it came from). If the word origin is from Greek or Latin the suffix -ist would be used. If the origin of the word is from Old English or Germanic then the suffix -er was used.
The profession associated with tree surveys is most often referred to as Arborist, Certified Arborist, or Consulting Arborist.
An arborist will harvest all of your ripe trees with one action. Available for a single use only.
the origin is where the word came from but the specific origin of the word ballot is latin root word.
arboriste
The word "origin" is derived from the French word "origin" and the Latin word "originem," both of which mean, beginning, descent, birth, and rise.
where was the word colonel origin
There is no such word as diaster and so no origin word.
The origin of the word data is Latin ....
the origin of the word bucket is bu-cket
The origin of the word 'Snog' or 'Snogging' is England :)
The origin of the word phenomenon is Greek or Latin.