Je was op zoek naar: raining dative (Engels - Latijn)

raining
pluvia

dative case
dativus

raining again
semper pluit

it is raining.
pluit.

ok raining again
semper pluit

it is raining now.
nunc pluit.

the sky is raining fire
pluere ignem

it is raining, a shower is falling
pluit pluvit

raining again! it always rains!
nos de hac coniuratione audire volumus

to us (dative) or from us (abl)
nōbīs

to be useful, do good, benefit (+ dative)
prosum

(with dative) to spare, refrain from injuring
parco

he gives (gives is in the dative form) money
pecuniam dedit

raining again! always raining! we never see the sun.
iterum pluit! semper pluit! nos solem numquam videmus.

costestes is not a classical latin word but might be medieval or church latin. cotestes could be a word (not classical) meaning something like co-witnesses. e spiritu (if they are the proper words) could mean out of/derived from the spirit (holy?). silentio is the dative or ablative singular of the neuter noun silentium meaning silence and could mean to/for/by/with/from/in/at/on (the) silence. but unless an accurate copy of the words can be obtained, i fear there is little chance of solving the riddle.
costestes e spiritu silentio