Sunday Times Prize Crossword 4803 Sunday June 17Th 2018

[mcgournj]

Last two thankfully
for today. Bad day.
21d Nancy's very small lock (5).
25a On escaping Leviathan finds sewer (8).

Please parse both - thanks in advance.

[fiction-factory]

What letters do you have please?

[scorpiojo]

21 Tres (very in French) + s(mall)

[scorpiojo]

...Nancy indicates a French word

[fiction-factory]

seamster
sewer is someone who sews

[scorpiojo]

25 Sea m(on)ster

[Neveracrossword]

As it's your last two, what letters have you got already?

[vetuste_ennemi]

yes, it's sea m[on]ster

[mcgournj]

21 d t-e--
25a s- a--- e-

I think tress and seamster but cannot fathom why.

[scorpiojo]

^^