tender vs overbid

tender and overbid both are nouns.

Word	Noun	Adjective	Verb	Adverb
tender	Yes	Yes	Yes	No
overbid	Yes	No	Yes	No

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

Other hyponyms of tender include buyout bid.

As verbs, overbid is a hyponym of tender; that is, overbid is a word with a more specific, narrower meaning than tender:

Other hyponyms of tender include by-bid, subscribe, underbid, outbid, underbid.

tender (noun)	overbid (noun)
ship that usually provides supplies to other ships	a bid that is higher than preceding bids
a boat for communication between ship and shore	(bridge) a bid that is higher than your opponent's bid (especially when your partner has not bid at all and your bid exceeds the value of your hand)
car attached to a locomotive to carry fuel and water
a formal proposal to buy at a specified price
someone who waits on or tends to or attends to the needs of another
something that can be used as an official medium of payment

tender (adjective)	overbid (adjective)
easy to cut or chew
physically untoughened
given to sympathy or gentleness or sentimentality
(of plants) not hardy; easily killed by adverse growing condition
having or displaying warmth or affection
hurting
(used of boats) inclined to heel over easily under sail
young and immature

tender (verb)	overbid (verb)
make tender or more tender as by marinating, pounding, or applying a tenderizer	bid more than the object is worth
make a tender of; in legal settlements	to bid for more tricks than one can expect to win
offer or present for acceptance
propose a payment