value vs look up to

value is a noun but look up to is not a noun.

Word	Noun	Adjective	Verb	Adverb
value	Yes	No	Yes	No
look up to	No	No	Yes	No

As verbs, look up to is a hyponym of value; that is, look up to is a word with a more specific, narrower meaning than value:

Other hyponyms of value include think the world of, fear, revere, reverence, venerate, admire.

value (noun)	look up to (noun)
the quality (positive or negative) that renders something desirable or valuable
relative darkness or lightness of a color
a numerical quantity measured or assigned or computed
an ideal accepted by some individual or group
the amount (of money or goods or services) that is considered to be a fair equivalent for something else
(music) the relative duration of a musical note

value (verb)	look up to (verb)
evaluate or estimate the nature, quality, ability, extent, or significance of	feel admiration for
regard highly; think much of
estimate the value of
fix or determine the value of; assign a value to
hold dear