Answer:
study
Explanation:
The suffix -logy definitely means 'study'. There are many more words with this suffix:
<em>anthropology</em> - the study of humans and their cultures;
<em>physiology</em> - the study of living bodies;
<em>sociology</em> - the study of the development of human society;
<em>paleontology</em> - the study of fossils;
<em>glaciology</em> - the study of glaciers, or more generally, ice;
<em>ornithology</em> - the study of birds;
<em>kinesiology</em> - the study of human or non-human body movement;
and so on.