The first letter of a word or a name

INITIAL
List of words for the clue The first letter of a word or a name from the crossword:
ETA PSI ESS ZED RHO NEE THETA IOTA SIRS TAU OMEGA PHI ENC RUNE SERIF EMAIL AMEN PPS CHI ZETA
WordClue
EBBThe receding movement of the tide
RYEThe Catcher in the ...
SEAThe Old Man and the ...
TOMThe male of the domesticated cat
GUNSThe ... of Navarone (film)
UGLYThe Goood, the Bad and the ...
ERATOone of the muses
LAMBSThe Silence of the ... (film)
PRIDEone of the seven deadly sins
SCALPThe top of the head
USAGEThe manner or the amount of using
WHACKThe sound of a heavy strike
CORNEApart of the eye
GALAXYGuardians of the ... (film)
PALATEThe roof of the mouth
MESSAGEword, letter
SCABBARDThe sheath of a sword
THUTMOSEname of pharaoh
MATRIMONYthe state of being married
PNEUMONIAinflammatory condition of the lung
ELEMENTThe Fifth ... (film)
GUMThe flesh around the teeth