A panegyric was originally a set speech in a full assembly of the people, and hence denotes a more formal eulogy, couched in terms of warm and continuous praise, especially as to personal character.

Webster's Revised Unabridged Dictionary (1913)

Example sentences

praise Why do you get embarrassed when people praise you?
eulogy What's the difference between an elegy and a eulogy?
paean This is a precise and poetic paean to the peregrine.

Popularity over time

Word	1850 → 2019	Trend
panegyric		steady
praise		rising
eulogy		falling
paean		rising
encomium		rising

Use in printed books, per decade from 1850 to 2019.

By length

4 letters: pean
5 letters: paean²
6 letters: praise¹, eulogy³
8 letters: accolade³, encomium⁴, eulogium
9 letters: laudatory⁴, laudation
10 letters: eulogistic
11 letters: encomiastic, panegyrical
12 letters: commendatory
13 letters: complimentary⁵

The small number after each word is its number of syllables (paean² = 2 syllables).

In other languages

Français: panégyrique
Italiano: panegirico
Español: panegírico
Deutsch: Loblied