The suffix is -tain. This suffix means to hold.
Neglectful combines "neglect" with the suffix "-ful".
percervere
To be certain about what you found out or learned
-ic is the suffix. This suffix means in relation of.
The suffix is -tion. This suffix means the process of.
the detective attempted to ascertain the truth through his questioning of the suspect. Should you ascertain that a rumor is true before you believe in it?
I need to ascertain the truth of the situation before making a decision.
The word "ascertain" is a verb. It means to find out something with certainty.
Later today I will ascertain whether my order has been shipped yet.
Guess
Can I check the BBB to ascertain if this is a legitimate business?
The word "ascertain" appears on page 112 in "And Then There Were None" by Agatha Christie.
Neglectful combines "neglect" with the suffix "-ful".
The suffix of "undoing" is "-ing."
Verb.
percervere
To be certain about what you found out or learned