mightier (Hebrew #8623)

Ecclesiastes
6:10   That which hath been is named
shem (Hebrew #8034)
an appellation, as a mark or memorial of individuality; by implication honor, authority, character
KJV usage: + base, (in-)fame(-ous), named(-d), renown, report.
Pronounce: shame
Origin: a primitive word (perhaps rather from 7760 through the idea of definite and conspicuous position; compare 8064)
qara' (Hebrew #7121)
to call out to (i.e. properly, address by name, but used in a wide variety of applications)
KJV usage: bewray (self), that are bidden, call (for, forth, self, upon), cry (unto), (be) famous, guest, invite, mention, (give) name, preach, (make) proclaim(- ation), pronounce, publish, read, renowned, say.
Pronounce: kaw-raw'
Origin: a primitive root (rather identical with 7122 through the idea of accosting a person met)
already
kbar (Hebrew #3528)
properly, extent of time, i.e. a great while; hence, long ago, formerly, hitherto
KJV usage: already, (seeing that which), now.
Pronounce: keb-awr'
Origin: from 3527
, and it is known
yada` (Hebrew #3045)
to know (properly, to ascertain by seeing); used in a great variety of senses, figuratively, literally, euphemistically and inferentially (including observation, care, recognition; and causatively, instruction, designation, punishment, etc.) (as follow)
KJV usage: acknowledge, acquaintance(-ted with), advise, answer, appoint, assuredly, be aware, (un-)awares, can(-not), certainly, comprehend, consider, X could they, cunning, declare, be diligent, (can, cause to) discern, discover, endued with, familiar friend, famous, feel, can have, be (ig-)norant, instruct, kinsfolk, kinsman, (cause to let, make) know, (come to give, have, take) knowledge, have (knowledge), (be, make, make to be, make self) known, + be learned, + lie by man, mark, perceive, privy to, X prognosticator, regard, have respect, skilful, shew, can (man of) skill, be sure, of a surety, teach, (can) tell, understand, have (understanding), X will be, wist, wit, wot.
Pronounce: yaw-dah'
Origin: a primitive root
that it is man
'adam (Hebrew #120)
ruddy i.e. a human being (an individual or the species, mankind, etc.)
KJV usage: X another, + hypocrite, + common sort, X low, man (mean, of low degree), person.
Pronounce: aw-dawm'
Origin: from 119
: neither may
yakol (Hebrew #3201)
a primitive root; to be able, literally (can, could) or morally (may, might)
KJV usage: be able, any at all (ways), attain, can (away with, (-not)), could, endure, might, overcome, have power, prevail, still, suffer.
Pronounce: yaw-kole'
Origin: or (fuller) yakowl {yaw-kole'}
he contend
diyn (Hebrew #1777)
a primitive roy a straight course, i.e. sail direct
KJV usage: (come) with a straight course.
Pronounce: deen
Origin: or (Gen. 6:3) duwn {doon}
with him that is mightier
taqqiyph (Hebrew #8623)
powerful
KJV usage: mightier.
Pronounce: tak-keef'
Origin: from 8630
than he.