oy not so much a word as an entire vocabulary, as Rosten   can express any emotion, from trivial delight to the blackest woe. 
( ( ( ( ( oy not ) ( ( so ( much ( a word ) ) ) ( as ( an ( entire vocabulary ) ) ) ) ) , ) ( as ( Rosten ( can ( ( ( express ( any emotion ) ) , ) ( from ( ( trivial delight ) ( to ( the ( blackest woe ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB oy) (RB not) (ADVP (RB so) (NP (RB much) (DT a) (NN word)) (PP (IN as) (NP (DT an) (JJ entire) (NN vocabulary)))) (, ,) (SBAR (IN as) (S (NP (NNP Rosten)) (VP (MD can) (VP (VB express) (NP (DT any) (NN emotion)) (, ,) (PP (IN from) (NP (NP (JJ trivial) (NN delight)) (PP (TO to) (NP (DT the) (JJS blackest) (NN woe)))))))))) (. .)))
Rosten was innovative in his use of the word oy.
( Rosten ( ( was ( innovative ( in ( ( his use ) ( of ( the ( word oy ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Rosten)) (VP (VBD was) (ADJP (JJ innovative) (PP (IN in) (NP (NP (PRP$ his) (NN use)) (PP (IN of) (NP (DT the) (NN word) (NN oy))))))) (. .)))