vs
QUICK ANSWER
"Sinceramente" is an adverb which is often translated as "sincerely", and "la verdad es que" is a phrase which is often translated as "the truth is that". Learn more about the difference between "sinceramente" and "la verdad es que" below.
sinceramente(
seen
-
seh
-
rah
-
mehn
-
teh
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
1. (genuinely)
la verdad es que(
lah
behr
-
dahd
ehs
keh
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. the truth is that
La verdad es que yo escondí tus cigarrillos porque quiero que no fumes.The truth is that I hid your cigarettes because I don't want you to smoke.