Approximately
When you estimate something the word that is commonly used the most is "about". This word is saying that it is not an exact measurement.
Mathematicians use the word estimate.
1.i had to estimate to the nearest hundred.
This is just an unofficial estimate.
AND
I often provide example sentences.
There is no such word as "oftenest" - the correct usage of comparison with the word "often" is to say "more often" and "most often."Other options using the word "often" are "as often as" or "quite often."
The word that you are looking for is "extrapolation".
No, the word "estimate" is not a compound word.
I often use the restroom
Japanese often use the word 'paatii,' from the English word. It is written: パーティー
I often go shopping at the mall.Appendicitis is often mistaken for severe indigestion.It is not often that we have a speaker of his notoriety.