Time to learn something new...if you don't already know.
Hope these can benefit you and also aid you while listening to Japanese songs...
I picked out some interesting terms from the forum below...

Credits: http://www.animeforum.com/archive/index.php/t-16807.html

Animals
Doubutsu = Animal
Neko = Cat
Inu = Dog
Tori = Bird
Usagi = Rabbit
Kitsune = Fox
Saru = Monkey
Ushi = Cow
Zou = Elephant
Kuma = Bear
Uma = Horse
Raion = Lion
Tora = Tiger
Nezumi = Rat, Mouse
Risu = Squirrel
Buta = Pig
Oukami = Wolf
Washi = Eagle
Niwatori = Chicken
Kaeru = Frog
Sakana = Fish
Tokage = Lizard
Hebi = Snake
Mushi = Bug
Gumo = Spider
Hotaru = Firefly
Chouchou = Butterfly

Feelings
Kimochi = Feelings
Kokoro = Heart
Yume = Dream
Yasashisa = Kindness
Yuuki = Courage
Chouwa = Harmony
Shinjitsu = Truth
Tsuyosa = Strength
Kouyuu = Friendship
Mikomi = Hope
Ai = Love

The Environment
Chikiu = Earth
Sekai = World
Uchuu = Universe
Wakuse = Planet
Kuuki = Air
Sora = Sky
Hoshi, Kousei = Star
Sousei = Comet
Niji = Rainbow
Yoru = Night
Asa = Morning
Hi = Day
Taiyo = Sun
Tsuki = Moon
Mangetsu = Full moon
Shingetsu = New moon
Shizen = Nature
Ki = Tree
Ha = Leaf
Hana = Flower
Bara = Rose
Sakura = Cherry blossom
Mori = Woods
Shinrin = Forest
Sougen = Grass
Yama = Mountain
Rikuchi = Land
Jishin = Earthquake
Kaji = Fire
Hono = Flames
Kaze = Wind
Kori = Ice
Mizu = Water
Umi = Sea
Kawa = River
Mizuumi = Lake
Tenki = Weather
Yuki = Snow
Ame = Rain
Hikari = Light
Yami = Darkness

fil

Labels: Language