Indian-Americans have won the Scripps National Spelling Bee 12 of the last 16 years (and eight in a row), with the two most recent competitions crowning four co-champions of South Asian descent.

Vanya Shivashankar, 13, and Gokul Venkatachalam, 14, both won the 2015 contest on Thursday night, continuing the trend that has manifested itself over the last decade and a half. They spelled the words "scherenschnitte" and "nunatak," respectively, to win.

Below are the previous winners, plus their winning words:

1999: Nupura Lala, logorrhea

2000: George Abraham Thampy, demarche

2002: Pratyush Buddiga, prospicience

2003: Sai R. Gunturi, pococurante

2005: Anurag Kashyap, appoggiatura

2008: Sameera Mishra, guerdon

2009: Kavya Shivashankar, Laodicean

2010: Anamika Veeramani, stromuhr

2011: Sukanya Roy, cymotrichous

2012: Snigdha Nandipati, guetapens

2013: Arvind Mahankali, knaidel

2014: Aunsun Sujoe, feuilleton; Sriram Hathwar, stichomythia

(All information obtained from Scripps National Spelling Bee website.)

Bonus: The 2009 and 2015 winners are sisters.