strand vs cobweb

strand and cobweb both are nouns.

Word	Noun	Adjective	Verb	Adverb
strand	Yes	No	Yes	No
cobweb	Yes	No	No	No

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

Other hyponyms of strand include barb, gossamer, chromatid, myofibril, myofibrilla, sarcostyle, rhizoid, hypha, paraphysis.

strand (noun)	cobweb (noun)
a necklace made by stringing objects together	a dense elaborate spider web that is more efficient than the orb web
line consisting of a complex of fibers or filaments that are twisted together to form a thread or a rope or a cable	filaments from a web that was spun by a spider
a pattern forming a unity within a larger structural whole	a fabric so delicate and transparent as to resemble a web of a spider
a poetic term for a shore (as the area periodically covered and uncovered by the tides)
a very slender natural or synthetic fiber

strand (verb)	cobweb (verb)
bring to the ground
drive (a vessel) ashore
leave stranded or isolated with little hope of rescue