English ⇄ English Russian

H/O
abbr., avia.	hardover
abbr., busin.	head-on
abbr., inet.	Hold On
abbr., med.	history of (Tiny Tony)
abbr., oncol., med.	History of
abbr., space	handover
H.O.
abbr.	head office (Vosoni); The Home Office (Ministry of internal affairs Vosoni)
abbr., commer.	home office
abbr., textile	head or home office
H&O
abbr., insur.	hooks and oil damage (key2russia)
H.O
abbr., econ.	head office
H. O.
abbr., railw.	head office
h.&o.
abbr., insur.	hook and oil damage
h/o
abbr., med.	history of

H: 3 phrases in 2 subjects

NASDAQ	2
United Kingdom	1