barrow (plural)- "tyrn" (Sindarin)
battle- "dagnir", "ndak", "dagor"
(to) be- "n-" (Sindarin and Quenya)
be it that- "nai" (Quenya)
beard- "fan(g)"
beautiful (fair)- "vana" (Quenya)
because (for)- "an" (Quenay)
beech- "neldor"
(to) behold- "aiy-", "el-" (Quenya)
(to) bend- "lok"
beside- "ar" (Quenya"
between- "im" (Sindarin)
"imbe" (Quenya)
beyond- "pella" (Quenya)
birch- "brethil" (Sindarin)
(small) bird- "aew" (Sindarin)
black- "mor", "vorn"
blessed- "aman", "man"
blood- "sereg" (Sindarin)
"serke" (Quenya)
"agar"
bloodstained- "agarwaen"
blossom- "loth" (Sindarin)
blue- "lhun", "luin" (Sindarin)
book- "parma" (Quenya)
breeze- "hwesta" (Quenya)
bridge- "iant" (Sindarin)
"yanta" (Quenya)
brillance- "ril" (Sindarin)
bull- "mundo"
butterfly- "wilwarin" (Quenya)