throwing stick vs throw stick

throwing stick and throw stick both are nouns.

Word	Noun	Adjective	Verb	Adverb
throwing stick	Yes	No	No	No
throw stick	Yes	No	No	No

As nouns, throwing stick and throw stick are synonyms defined as:

throwing stick and throw stick: a curved piece of wood; when properly thrown will return to thrower

Other synonyms of throwing stick include boomerang.

throwing stick (noun)	throw stick (noun)
a curved piece of wood; when properly thrown will return to thrower	a curved piece of wood; when properly thrown will return to thrower
a device resembling a sling that is used in various primitive societies to propel a dart or spear