"Uta-Net" which is the biggest site in Japan for lyrics, has announced the ranking of their 2010 most searched songs for lyrics. �Below is the result. (For the top 50, you can check it here.)

<Most�searched songs for lyrics TOP 10> ?PC
-By songs
1. "Butterfly" - Kimura Kaela
2. "Aitakute Aitakute" - Nishino Kana
3. "Best Friend" - Nishino Kana
4. "Kiseki" - GReeeeN
5. "Mata Kimi ni Koi Shiteru" - Sakamoto Fuyumi
6. "YELL" - Ikimonogakari
7. "Motto..." - Nishino Kana
8. "Shunkashuuto" - Hilcrhyme
9. "if" - Nishino Kana
10. "Troublemaker" - Arashi
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-By artists
1. Arashi
2. Nishino Kana
3. RADWIMPS
4. Mr.Children
5. Ikimonogakari
6. EXILE
7. GReeeeN
8. BUMP OF CHICKEN
9. AKB48
10. UVERworld
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<Most�searched songs for lyrics TOP 10> ?Mobile
-By songs
1. "Aitakute Aitakute" - Nishino Kana
2. "Best Friend" - Nishino Kana
3. "if" - Nishino Kana
4. "Dear..." - Nishino Kana
5. "kimitte" - Nishino Kana
6. "Enrenka" - Sunya
7. "Konomamade" - Nishino Kana
8. "Lonely" - Abe Mao
9. "Itsuno Hi mo" - Abe Mao
10. "Motto..." - Nishino Kana
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-By artists
1. Nishino Kana
2. Sunya
3. Abe Mao
4. ANNY PUMP�feat.�GooF from SOFFet
5. Tiara
6. AKB48
7. Kato Miliyah
8. Hilcrhyme
9. Maika
10. Houkago Tea time

Source: Uta-Net