Grammar and Elvish Naming Conventions

Suilad Mellyn!

I am trying to come up with a few epessë for myself and my friends and wondered if any of you kind folk might check that I haven't made any glaring errors. Here they are with their translations as I reckoned them:

Turdelos - Master of Fear

Gladhabreg - Quick to Laugh / Violent Laughter

Gwaitâl - Windfoot / Windbottom (don't ask!)

Narntân - Talesmith

Gwirilind - Song Weaver / Song Spindle

Himellon - Steadfast Friend

Padereb - Walks Alone

Thank you in advance for your help. Hannad ah Namárië.

Gwaitâl and Narntân would mutate to Gwaedal and Narndan, but I'm not certain about the other ones, such as mixing languages. I recommend a second opinion.

Turdelos - Master of Fear

A better word for fear would be thos or gor. Thus I offer Turthos or Gordur.

Gladhabreg - Quick to Laugh / Violent Laughter

I offer Breglalaith (quick/lively laughter) or Bregladhron (quick/lively laugher).

Gwaitâl - Windfoot / Windbottom (don't ask!)

As @Ambarkas has stated, this should be Gwaedal.

Narntân - Talesmith

As @Ambarkas has stated, this should be Narndan.

Gwirilind - Song Weaver / Song Spindle

I offer Linwirron (song weaver) or Gwirillin (song spindle).

Himellon - Steadfast Friend

I offer Himvellon or Thornvellon.

Padereb - Walks Alone

I offer Erbadron (lone walker).

Thank you for your replies, this is very helpful indeed!

Narndan

Thornvellon

These aren't licit sequences in Sindarin with its general preference against triconsonantal clusters in compounding. I imagine we'd see some simplification to forms like Nardan (cf. morn-(n)dôr > Mordor) and Thormellon (cf. morn-megil > Mormegil).