Engraver's Roman vs Garamond 3

• Engraver's has very extreme thick to thin vertical modulation
• ALL caps for ER
• The tail in the capital Q in Garamond descends below the base line
• Same as the capital J
• The crotch in ER's capital W does not intersect like Garamonds
• ER has ball terminals rather than tear drop shaped ones.
  

Cochin vs Copperplate

• Copperplate has a thick set width
  
• Both have serifs, except Copperplate's are much smaller and blunt
• No modulation in Copperplate
• The tail in the capital Q of Cochin is much more illustrative then Copperplates, sits on the outside.
• Copperplate is all-caps