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.
The word that you are looking for is "extrapolation".
No, the word "estimate" is not a compound word.
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."
Japanese often use the word 'paatii,' from the English word. It is written: パーティー
I often use the restroom
The prefix for the word "estimate" is "estim-."