杆菌

杆菌	gǎn jūn	bacillus (any rod-shaped bacteria)
杆	gān	(bound form) pole; shaft
杆	gǎn	stick / pole / lever / classifier for long objects such as guns
菌	jūn	(bound form) bacterium / (bound form) fungus / Taiwan pr. [jun4]
菌	jùn	mushroom