Symmetry is a noun.
when every part has a matching part
Reflection symmetry, reflectional symmetry, line symmetry, mirror symmetry, mirror-image symmetry, or bilateral symmetry is symmetry with respect to reflection
line symmetry, rotational symmetry, mirror symmetry &liner symmetry
horizontal line about which some part can be folded or rotated symmetrically or identically
Adroit is an adjective.
The line of symmetry in an arrow is the line connecting to the > part of the arrow.
If you ignore the print, then it has a plane of symmetry (possibly) but not an axis of symmetry. If you ignore the print and the "pop-top" part, then it has both.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
adverb
what part of speech is work
the part of speech sashay is a averb
Did is a verb, and not is an adverb. Didn't is not any part of speech. It's a contraction of did and not.
NOOOOOOOOOOOOOOOOOOOOOO
The word speech is a noun.
Adjective