No. There are no English words you can make by putting a letter in front of the word grieve.
mourn
I will grieve later. The class will grieve for their slain classmate.
over
The past tense of the word "grieve" is grieved.
Yes, the word grieve is a verb.
day
There is no English word with the pattern ?blip.
I will grieve during the funeral. The soldiers grieve for their fallen comrade.
I will grieve when you are gone.
sweed
A five letter word that will make compound words from that list is FRONT.
con-sign