It could possibly be crutch, i.e. the walking aid people use, often after sustaining a serious injury which impairs regularwalking, that helps them hobble along.
Aviary.
cry
Aching is a 6 letter word that describes sore muscles.
Likely candidate is the word: Inform.
Obliterate
it means leader
amity
acacia
inquisitive
abase
help.
monotonous
heavy
If you think of the stitch as a letter T, it means work into the upright rather than the cross bar.
Homo means man. Erectus means, well, erect, upright. So Homo erectus means 'upright man'.It means human who walks upright.
vastly
Gash