Noldorin 

thonnas

noun. base, root, root-word, root-word; *foundation; base, root

Noldorin [EtyAC/SUD] Group: Eldamo. Published by

thonn

noun. base, root, root-word

Noldorin [EtyAC/SUD] Group: Eldamo. Published by

solch

noun. root (especially as edible)

Noldorin [Ety/388] Group: SINDICT. Published by