Chapter 1Proto-Korean And Proto-Japonic Reconstructions And Their Role In The Comparison Of The Two Languages 11 -- 1.1 Recent Advances In Proto-Korean Reconstruction 11 -- 1.1.1 Middle Korean aspirates are from clusters 11 -- 1.1.2 Proto-Korean did not have vowel harmony 11 -- 1.1.3 A new look at lenition in Middle Korean 12 -- 1.2 Recent Advances In Proto-Japonic Reconstruction 32 -- 1.2.1 Six or seven, not four vowels in Proto-Japonic 32 -- 1.2.2 Another look at PJ *b- and *d 36 -- Chapter 2 Morphological Comparisons 45 -- 2.1 Nominal Morphology 45 -- 2.1.1 Case marking 45 -- 2.1.2 Pronouns 62 -- 2.2 Adjectives 71 -- 2.3 Verbal Morphology 73 -- 2.3.1 The odd nature of the copula tö 73 -- 2.3.2 Verbal markers 77 -- Chapter 3 Lexical Comparisons 92 -- 3.1 Doublets In Western Old Japanese 92 -- 3.2 Whitman's Lexical Comparisons 94 -- 3.2.1 *p 94 -- 3.2.2 *b 111 -- 3.2.3 *t 113 -- 3.2.4 *d 126 -- 3.2.5 *k 128 -- 3.2.6 *c 161 -- 3.2.7 *j 169 -- 3.2.8 *s 172 -- 3.2.9 *z 186 -- 3.2.10 *š 186 -- 3.2.11 *m 190 -- 3.2.12 *n 203 -- 3.2.13 *y 218 -- 3.2.14 *a 222 -- 3.2.15 *Ü-,*Ö 229 -- 3.2.16 *u-,*O 231 -- 3.2.17 *e 233 -- 3.2.18 *i 236 -- 3.3 Statistical Summary Of Lexical Comparisons And Conclusion 237.