Word Part Crossword

a line of hereditary rulers of a country
this object has the power to explode
Physics that deals with the relationships and conversions between heat and other forms of energy
the quality of being characterized by vigorous activity and progress
this is a book that tells you words in alphabetical order and gives the definition
to say against
one who ‘says’ farewell
‘say’ beforehand
disturbed digestion
A learning disability marked by impairment of the ability to recognize and comprehend written words
Abnormal or impaired functioning of a bodily system or organ
Difficulty in speaking, usually evidenced by hoarseness
an opposite position
to set in opposition in order to show or emphasize differences
Tending to tell others what to do in an presumptuous manner
a scientist who studies the power of water
The study of the effects of time and rhythmical phenomena on life processes
The arrangement of events in time
An exceptionally precise timepiece
The chronology of the earth's history as determined by geologic events