betrayal
betrayal of trust

brain
brain trust

breach
breach of trust

but
...that I trust you, not but what I

get at
...don't trust him, because he's been got at

matter
...say, don't trust them

NT
National Trust

reposal
reposal of trust in somebody

repose
to repose one's trust in somebody

settlement
settlement in trust

tr.
trust

trust
I haven't much trust in his word

unit
unit trust