Decalogue.
decade
One word, which means a 10-sided shape, is decahedron. Another word beginning with "deca" is decade, meaning 10 years.
The word deca- means ten, so there are ten therms in a decatherm.
The word you are likely looking for is DECALOGUE.
A word that starts with the letter A and means move is:ambulate
Modernize is a word that starts with m and means to upgrade.
Make is a word that means to create and starts with "m".
"Administrator" is a word that means leader and starts with the letter a.
A word that starts with "d" and means a loud noise is din.
"Psychologist" is a word that starts with a p and means counselor.
A word that starts with CA that means to move friskily is to cavort.
"Bisect" is a word that means cut into two halves which starts with bi.