A kind of word chain!

[OscarW]

Onrush

[Lilliputt]

Shame

[Evita]

Mermaid

[Timdogg]

Idealist

[Mistery]

Stone

[Timdogg]

Neat

[Lilliputt]

Attribute

[Timdogg]

Teak

[tintindeo]

Akathisia

[Timdogg]

Iapetus

[Rima]

user

[Timdogg]

Erowid

[tintindeo]

Idealist

[Rima]

Start

[tintindeo]

I'd love to keep the chain going, but I know of no words in the English language that begin with "Rt."

Rima: can you give us a word that starts with "St" but ends in two letters that can create a new word? (the present participle version of that verb would lead to new words...).