Certainly, here are the first 30 common Greek words along with their English meanings:

και (kai) – and
εις (eis) – to, into, in
οι (oi) – the (plural)
ο (o) – the (masculine, singular)
η (i) – the (feminine, singular)
εν (en) – in
εγω (ego) – I
σε (se) – you (singular, informal)
εσυ (esy) – you (singular, informal)
με (me) – me
μεν (men) – but, however
οτι (oti) – that
αυτος (autos) – he, she, it
εκεινος (ekeinos) – that one
εσεις (eseis) – you (plural)
εκ (ek) – from, out of
ει (ei) – if
μας (mas) – us
ειμαι (eimai) – I am
καθως (kathos) – as, just as
στο (sto) – in the
για (gia) – for
αλλα (alla) – but
πως (pos) – how
τι (ti) – what
το (to) – the (neuter, singular)
των (ton) – of the
πολυ (poly) – very, much
ειμαστε (eimaste) – we are
και (kai) – also