foothold vs toehold

foothold and toehold both are nouns.

Word	Noun	Adjective	Verb	Adverb
foothold	Yes	No	No	No
toehold	Yes	No	No	No

As nouns, toehold is a hyponym of foothold; that is, toehold is a word with a more specific, narrower meaning than foothold:

foothold (noun)	toehold (noun)
an initial accomplishment that opens the way for further developments	a wrestling hold in which the toe is held and the leg is twisted against the joints
a place providing support for the foot in standing or climbing	a small foothold used in climbing
an area in hostile territory that has been captured and is held awaiting further troops and supplies	a relatively insignificant position from which future progress might be made